421 small block

Shop Chevy Laguna 421 Chevy Small Block V8 Muscle & Classic Car Engine Oil Pans and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.

Shop COMP Cams 421 Chevy Small Block V8 Camshafts and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. GIFT CARDS. ... Small Block Chevy Oval Track Small Base Solid Lifter Cam 3500-7900 RPM. Camshaft Type: Solid Flat Tappet. RPM Range: 3500 to 7900. Intake Duration (.050" Lift ...Shop Drag Racing 421 Chevy Small Block V8 Engine parts and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Drag Racing 421 Chevy Small Block V8 Engine parts in-stock with same-day shipping. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. GIFT CARDS. DEALS. TRACK ORDER. HELP CENTER.Previously they had been ported to a runner volume of 227 and a .700 flow of 310.5. I removed alot of material tonight, exposing much more area at the pushrod restriction, and ended up with a port volume of 338.5 cc's. The final flow at .700 was 321.6.Small Block Chevy PowerPak Piston Kits feature pistons, rings, clips, and pins. Forged piston choice for Small Block Chevy include Flat Top, Dish, Dome, and they are offered in 2618 and 4032 alloy. From a classic Chevy 350 build to those looking to find the best pistons for a nitrous and blower engines look no further than MAHLE Motorsport.Oct 28, 2005 · i don't think your headers are your problem.i did a 461 cube small block (340 based ) for a customer of mine & we used his old 1 3/4 x3" STAHL'S knowing they would be too small. engine has a 260ish @ .050" BULLET solid roller,INDY 230's & INDY oval port intake that i ported,HOLLEY 4150 w/ a proform body (flows 815) 12.4:1 c/r 94 octane pump gas ... Shop Studebaker 421 Chevy Small Block V8 Classic Truck Engine Block-Off Kits and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.

Although H&R Block takes walk-ins, your taking a chance that you'd have to wait in line to speak with an expert. Instead, it's a great idea to make an appointment that works with y...Shop Chevy 421 Chevy Small Block V8 Truck Accessories Rocker Arms and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.421-PFS-84SK. Powerflow S-Pipe System - Small Block System Chevy with Stainless Risers. This "S" pipe is unique in many ways. It has an infinite number of advantages. This pipe will size up to many pre-existing port locations. It's great for below platform applications with large camshafts or high performance motors.Shop 421 Chevy Small Block V8, Engine Oil Pans and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.Shop 1971 Chevy Bel Air 421 Chevy Small Block V8 Oil Pan Gaskets and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.421 Pump Gas Small Block Chevy Price; Ohio Crankshaft 4340 x 3.875 crankshaft Ohio Crank 6.00 H-beam rods w/ARP 2000 bolts SRP professional dish pistons 1.5 - 1.5 - 3.0 plasma moly ring King Race bearings Internally balanced ATI SB Chevy 7-inch balancer and Pioneer Hd 168-tooth add$450.00: $2,275.00434 Small Block Chevy. 615HP On Pump Gas ... great for racing on a budget. consist of dart block, 4340 3.750 crank, h-beam rods, wiseco dome... Thomasville, NC $10,395 Posted 5 days ago. $10,395 Thomasville, NC PREMIER. 2 2 new 427 sbc race engine ...

Shop Drag Racing 421 Chevy Small Block V8 Engine parts and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. Drag Racing 421 Chevy Small Block V8 Engine parts in-stock with same-day shipping. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. GIFT CARDS. DEALS. TRACK ORDER. HELP CENTER.The small-block worked like a buzz saw in the upper-rpm range, tenaciously hanging on to power as the revs climbed the scale. The 532 lb-ft of torque coming in at 5,800 rpm left little doubt that ..."We must assume that the President and Scavino will remedy the blocking we have held to be unconstitutional." Blocking people on Twitter can be pretty satisfying—who says you have ...Big block and small block engines will also have a different bolt pattern in most cases. To sum it up, there are three important factors to look for when selecting the correct flywheel, tooth count, int. or ext bal. and whether or not you purchasing a big block or small block engine. ... SBC 421/427/434 Assemblies; SBC LT1 383 Assemblies; SBC ...

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Small Block Chevy Balanced Rotating Assembly $2,250. Small Block Chevy Balanced Rotating Assembly. 2,250. 350-434 SBC $ 2,250. Different Compression Ratios Available. These Custom Designed Kits Consist Of Carefully Matched Components For Your Particular Application. Let One Of Our Experienced Sales Staff Help You With Your Rotating Assembly Needs!Shop 1970 Chevy Bel Air 421 Chevy Small Block V8 Engine Blocks and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.Compared to a production small-block V8, the Rocket block's camshaft is raised .390" (4.912" camshaft-to-crankshaft centerlines). This relocated camshaft will clear a 4.125" stroke crankshaft without interference, eliminating the need for a small base circle cam when using a long-stroke crankshaft. This block uses big- block V8 cam bearings.Shop 421 Chevy Small Block V8 Air and Fuel Delivery parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. 421 Chevy Small Block V8 Air and Fuel Delivery parts in-stock with same-day shipping. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. DEALS. TRACK ORDER. HELP CENTER.With 22 Small Block Chevy 421 Intake Manifolds for sale, and options to fit your needs including custom, direct fit, and universal Intake Manifolds for your needs. We offer choices from the best brands on the market such as Edelbrock, Speedway Motors and Weiand. Choose Speedway Motors for the highest quality Small Block Chevy 421 Intake ...

434 Small Block Chevy. 615HP On Pump Gas ... great for racing on a budget. consist of dart block, 4340 3.750 crank, h-beam rods, wiseco dome... Thomasville, NC $10,395 Posted 5 days ago. $10,395 Thomasville, NC PREMIER. 2 2 new 427 sbc race engine ...421 Small Block Chevy getting put back together. Any guesses what it's going in?? #racing #chevrolet #chevroletperformance #smallblock #sbc #reels #camaro #corvette #c10 #skipwhite #engine #edelbrock #fast #horsepower #1320video. Like. Comment. Share. 29. truckoutfittersCompared to a production small-block V8, the Rocket block's camshaft is raised .390" (4.912" camshaft-to-crankshaft centerlines). This relocated camshaft will clear a 4.125" stroke crankshaft without interference, eliminating the need for a small base circle cam when using a long-stroke crankshaft. This block uses big- block V8 cam bearings.The cam of the right is a small-block cam with larger big-block journals. Engine builders are now building massive 55 mm journal cams for NHRA Competition Eliminator racing. The huge 2.165-inch cam journals are necessary to prevent cam journal twisting when working against the massive valve spring pressures these engines require to prevent ...Engine of the Week is presented by. We couldn’t highlight just one engine during our visit to Gibbons Motorsports earlier this year. This small block Chevy UMP dirt modified engine was also coming together in the assembly room of the Mooresville, NC-based engine machine shop. Shop owner Pete Gibbons told us all about it for our Engine of the ...Shop Studebaker 421 Chevy Small Block V8 Classic Truck Engine Block-Off Kits and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.421 small block dyno flog. General engine tech -- Drag Racing to Circle Track. Moderator: Team. 44 posts 1; 2; 3; Next; REW. 421 small block dyno flog. Post ...Shop 1970 Chevy Chevelle 421 Chevy Small Block V8 Clutch and Flywheel Kits and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.Aluminum 427 Small-Block Delivers Brute Power With Manners. Engine builders generally operate on fairly straightforward parameters. For the NHRA/IHRA class racer the objective is to achieve ...Engine 3: Torque 400s 383ci. The 383 small-block has become incredibly popular in the small-block Chevy market. This is especially because the cranks are virtually no more expensive than a standard stroke 350 crank. The only expense increase is in the material choice, from cast to 4340 and on up the food chain.Block displacement. Here's more help to find the engine displacement. 350/400/455. displacement numbers cast into block on driver's side near the front freeze plug [you should also look on the opposite side too--check photo] 428. " 428" located on driver's side near the center between the freeze plugs. 421.This is the Dart block AFR Cnc I built for my 70 Nova

As the block comes new from Dart, it is ready to hone for a 4.125" bore, which along with the 3.875" stroke makes 414". You'd have to bore that brand new block .030" oversize, to 4.155" bore, to get 420.33" (421)…..so you would be wasting bore material for one future rebuild just to get 7 paltry cubic inches right now.

Shop Corvette C3 421 Chevy Small Block V8 Fuel Pump Block-Off Plates and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. REWARDS. GIFT CARDS. DEALS. TRACK ORDER. HELP CENTER. Shop.Shop Chevy Laguna 421 Chevy Small Block V8 Muscle & Classic Car Engine Oil Dipsticks and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.We will gladly arrange shipping to have your block shipped to us. We do not sell core blocks alone. Original Performance Prepped B. Welcome Guest My Account Order Status ... 400, 421, 428, 455 Block, Custom Bore, CORE-389-455 (0) Reviews: Write first review. SKU: CORE-389-400-421-428-455. We love to start with good customer block cores when ...421 Small Block Chevy NEARS COMPLETION just in time for PRI!GM block, 4.155 bore, 3.875 stroke, 6" rod, flat top piston Proform 750 carb Edelbrock Super victor intake Brodix track 1 heads, 64cc 2.05,1.6 rockers intake and exhaust Comp solid flat tappet cam, grind CS6254 254/254, .589/.589, 106 Milodon oil pan (I think I will be changing) HEI distributor Mallory 110 fuel pumpPistons, ICON FHR, Forged Aluminum, 4.040 in. Bore, Dish, 4 Relief Valves, Offset Pin, Chevrolet, Small Block, Set of 8 Part Number: UEM-IC9979-040 Not Yet ReviewedSmall Block Chevy; 406 / 423 / 434; 406 / 423 / 434 Complete Short Block. Click image to enlarge. PRICE. $7,745: Oil Pan - Front Cover - Balancer All Installed FREE! Click image to enlarge. SHORT BLOCK COMPLETE AND ASSEMBLED. ENGINE INCLUDES THE FOLLOWING COMPONENTS. DART LITTLE M BLOCK

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Shop Chevy DR 421 Chevy Small Block V8 Classic Truck Distributors and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.The foundation of the Super Duty 421 was a PN 538181 block with four-bolt main caps and a bore of 4.090 inches. Riding on the PN 542990 forged-steel crankshaft with 3.25-inch main journals and 4. ...The Pontiac V8 engine is a family of overhead valve 90° V8 engines manufactured by the Pontiac Division of General Motors Corporation between 1955 and 1981. The engines feature a cast-iron block and head and two valves per cylinder. Engine block and cylinder heads were cast at Saginaw Metal Casting Operations then assembled at Tonawanda …Drag Package #7. Here at Jensens we are well known for maximizing power from Brodix Canted valve heads on various size engines. These are some of the best heads on the market for a high HP Small block on a budget. Canted Valve Drag 421–484ci small block 850–970 race gas. Dart Iron eagle block or Brodix aluminum block.Big block and small block engines will also have a different bolt pattern in most cases. To sum it up, there are three important factors to look for when selecting the correct flywheel, tooth count, int. or ext bal. and whether or not you purchasing a big block or small block engine. ... SBC 421/427/434 Assemblies; SBC LT1 383 Assemblies; SBC ...Crankshaft: Forged Steel Crank - 4.000" Stroke and Forged 6.000" Rods. Price $10,19900$10,199.00. /. Secure payments. Financing available at checkout with Affirm. Sold Out. ShareTweetPin it. GM SB Compatible 427 c.i. ProSeries Engine - 540 HP - Base Dressed - Carbureted. PS4272CTC.World Products SBC Motown Blocks 084130RC-904. Engines, Bare Blocks, SBC Motown Block, 400 Mains, 9.025 in. Deck Height, 4-bolt Main Bolt Style, Chevrolet, V8, Chevy Small Block Gen I, Each. Part Number: WRL-084130RC-904. Not Yet Reviewed. Estimated Ship Date: May 14, 2024 (if ordered today) Drop Ship.BBC Short Block Kits; Brackets. SBC Brackets; Camshafts & Accessories; Carburetors & Accessories; Clearance Items; Distributors/ Ignition Acc. Engine Accessories; Engine Blocks; Engines; ... SBC 421/427/434 Assemblies. 16 results. Sort by See all Rotating Assemblies. SBC CHEVY 421 ROTATING ASSEMBLY SCAT 4340 CRANK & RODS -16cc Dh. 4.155 400 ...Small Block Chevy PowerPak Piston Kits feature pistons, rings, clips, and pins. Forged piston choice for Small Block Chevy include Flat Top, Dish, Dome, and they are offered in 2618 and 4032 alloy. From a classic Chevy 350 build to those looking to find the best pistons for a nitrous and blower engines look no further than MAHLE Motorsport.434 Small Block Chevy. 615HP On Pump Gas ... great for racing on a budget. consist of dart block, 4340 3.750 crank, h-beam rods, wiseco dome... Thomasville, NC $10,395 Posted 5 days ago. $10,395 Thomasville, NC PREMIER. 2 2 new 427 sbc race engine ... ….

I’ve been missing my old Malibu something terrible. I cannot wait to hear it run again! Only THIS TIME, I’ve built an engine that pushes the limits of the ...I've been missing my old Malibu something terrible. I cannot wait to hear it run again! Only THIS TIME, I've built an engine that pushes the limits of the ...The major rivers in the Philippines are the Cagayan River, Rio Grande de Mindanao and the Agusan River. The country has a total of 421 rivers, but scientists consider 50 of them bi...Shop 421 Chevy Small Block V8 Cylinder Block Components parts and get Free Shipping on orders over $99 at Speedway Motors, the Racing and Rodding Specialists. 421 Chevy Small Block V8 Cylinder Block Components parts in-stock with same-day shipping.Shop On Sale Items Dodge 421 Chevy Small Block V8 Saginaw 4-Speed Bellhousings and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.If you don't vent it somehow, the pressure will get high enough to blow out the gaskets, valve covers, oil pan, rear main seal, ect. The old school way of doing it was a breather in the front of the engine, and a road draft tube in the rear. Now a road draft tube is not just a tube.I've been missing my old Malibu something terrible. I cannot wait to hear it run again! Only THIS TIME, I've built an engine that pushes the limits of the ...Shop Nash 421 Chevy Small Block V8 Saginaw 3-Speed Muscle & Classic Car Adapters and Mounts and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.Shop 1976 Chevy Camaro 421 Chevy Small Block V8 Timing Belts and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday.FOR 65-79 PONTIAC 326-350-400-421-428-455 SMALL BLOCK ENGINE OIL DIPSTICK CHROME. Opens in a new window or tab. Brand New. $16.60. bestbuy-auto (7,689) 98.4%. or Best Offer. Free shipping. FOR 65-79 PONTIAC 326-350-400-421-428-455 SMALL BLOCK ENGINE OIL DIPSTICK CHROME. Opens in a new window or tab. 421 small block, SPENCERS SPEED SHOP. ‘57 Chevy with a blown 421” small block and house for some tuning. Enjoy and happy New Year’s, MARC Spencer., CNC-Motorsports offers the best selection of Small Block Chevy 427-434 stroker kits. We offer street kits with pump gas pistons to wild fully forged rotating assembly kits to meet your racing needs. We offer quality name brands such as; Eagle, Scat, Callies, Compstar, Crower, Lunati, JE/SRP, Diamond, Wiseco, Mahle CP and Keith Black to name a few., Pistons, FHR Series, Forged Aluminum, Flat Top, 4.185 in. Bore, Chevy, Small Block, Set of 8. Part Number: UEM-IC9968-060 Not Yet Reviewed , • 23° Small Block Chevy Compatible. Description Photos Details Flow Chart Easy Order Numbers Instruction Sheet Videos Description. Economical out-of-the-box horsepower is what comes to mind with this new series of Dragon Slayer heads from BRODIX. The new Dragon Slayer 225 comes standard with CNC ported 68 cc combustion chambers allowing this ..., CHP offers an entry-level 383ci Street Fighter SS short-block for around $2,000, but because it's forged, stock-replacement-type, four-eyebrow pistons have valve-clearance issues with the high ..., 421 Small Block Chevy Price; JE forged dome piston Ohio Crankshaft 4340 3.875 steel crankshaft Oho Crank 6 H-beam rods w/ARP 2000 bolts Race bearings Internally balanced Total Seal rings ATI SB Chevy 7-inch balancer and Pioneer Hd 168-tooth add$450.00: $2,595.00: 427-434 Pump Gas Small Block Chevy, Shop 1981 Chevy C20 Suburban 421 Chevy Small Block V8 Cylinder Head Bolts and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday., A cement wall gives your yard extra privacy, helps you define your outdoor spaces and can add a unique look to your home. If you’re willing to put in the time, you can construct yo..., Shop Chevy C30 421 Chevy Small Block V8 Classic Truck Spark Plugs and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday., 600--650 vacuum secondary max rpm 5500 ,, VE 98%. alloy 195 cc heads. do a dynamic compression calc [includes cam timing ] but your static should be around 10:1 CR. single pattern 220deg in/exh at .050 camshaft prefer a Hyd roller. 1 3/4 primary headers 4 into 1 ,,, 3inch collector at least 18 inch long. NB Its all about what you will lose in ..., Aug 15, 2019 ... This is the Dart block AFR Cnc I built for my 70 Nova., JE classic race winning JE flat top pistons work with most aftermarket 23° heads. JE pistons have extra deep valve pockets and a low-friction skirt design. JE pistons are designed to use 1/16, 1/16, 3/16 rings or 1/16, 1/16, 3mm rings. Includes: Pin #927-2750-15-51S (130g) Double Spiro Locks #927-042-CS. Contact Reduction Grooves., Small Block Chevrolet. LS 436 Engine; 427ci Super Series - 23º; 427ci Super Series - 15º; Reher-Morrison Custom Built Engines, Shop Powermaster Chevy Small Block V8 Starters and Starter Motors and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. ... 421 Chevy Small Block V8. 434 Chevy Small Block V8. Sort & Filter. Select Vehicle. 50 products. Sort By: Clear All. Category. Ignition, Charging and ..., The Insider Trading Activity of Harris Gail Block on Markets Insider. Indices Commodities Currencies Stocks, Shop Lakewood Sunbeam 421 Chevy Small Block V8 Hot Rod Parts and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday., Chevy Small Block Assembled Short Blocks; Ford Assembled Short Blocks; Assembled Short Blocks - Pump Gas Thunder; Chevy Big Block Assembled Short Blocks; ... Rotating Assembly-18deg-Balanced-SBC 421 cid, Forged Crank, H-beam Rod, Diamond Piston 13-1; Double click on above image to view full picture., Shop On Sale Items Chevy Express 2500 421 Chevy Small Block V8 Truck Accessories Valve Lifters and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday., Jun 24, 2008 · GM block, 4.155 bore, 3.875 stroke, 6" rod, flat top piston Proform 750 carb Edelbrock Super victor intake Brodix track 1 heads, 64cc 2.05,1.6 rockers intake and exhaust Comp solid flat tappet cam, grind CS6254 254/254, .589/.589, 106 Milodon oil pan (I think I will be changing) HEI distributor Mallory 110 fuel pump , Shop COMP Cams Chevy Small Block V8 Racing Camshafts and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. REWARDS. ... 421 Chevy Small Block V8. 434 Chevy Small Block V8. 265 Chevy Small Block V8. Show More. Race Type. Sprint Car. Stock Car. Modified. Dirt Late Model. Pavement ..., Feb 17, 2020 · As the block comes new from Dart, it is ready to hone for a 4.125" bore, which along with the 3.875" stroke makes 414". You'd have to bore that brand new block .030" oversize, to 4.155" bore, to get 420.33" (421)…..so you would be wasting bore material for one future rebuild just to get 7 paltry cubic inches right now. , 421 small block 13 to 1 compression base line made 485hp to the tire with more to come, Shop Chevy Small Block V8 Racing Harmonic Balancers and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. ... 421 Chevy Small Block V8. 434 Chevy Small Block V8. Show More. Race Type. Sprint Car. Dirt Late Model. Modified. Pavement Late Model. Stock Car. Dragster. Funny Car ..., The legendary 421 small block Chevy takes the popular 350/400 platform to the next level. Learn the history and modern build options to maximize 421 short block horsepower., With 22 Small Block Chevy 421 Intake Manifolds for sale, and options to fit your needs including custom, direct fit, and universal Intake Manifolds for your needs. We offer choices from the best brands on the market such as Edelbrock, Speedway Motors and Weiand. Choose Speedway Motors for the highest quality Small Block Chevy 421 Intake ..., Shop On Sale Items Chevy 421 Chevy Small Block V8 Truck Accessories Connecting Rod Bearings and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday., It’s so frustrating when you are doing research, wanting to check your social media or just tooling around the internet, only to find that your work or school administrator has blo..., 421 STAGE 4.0 QRP SERIES ENGINE. Brand. SBC 421 4.0 BASE DART AFR SCAT WISECO HOWARDS. Manufacturer Warranty. 2 Year. UPC. Does not apply. Seller assumes all responsibility for this listing. eBay item number: 334382769843., Shop Pavement Late Model 421 Chevy Small Block V8 Exhaust Valves and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday., Shop 1964 Chevy K10 Suburban 421 Chevy Small Block V8 Valve Locks and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday., About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ..., Shop 421 Chevy Small Block V8, Engine Parts and get Free Shipping on orders over $149 at Speedway Motors. Talk to the experts. Call 800.979.0122, 7am-10pm, everyday. GIFT CARDS. DEALS. ... Small Block Chevy With HEI Cap (1) Diameter: 8.5 mm. $126.95 /each. Add to Cart. Powermaster | #91068124., 400, 421, 400 mains Main Journal Style. For 400 and 421 Chevy small block V8's; 10.7:1 compression; Kit includes crankshaft, forged pistons, H-beam connecting rods, and main rod & bearings; 421 c.i. displacement; Forged aluminum pistons; See more details