CNC-Motorsports offers the best selection of Small Block Chevy 400 406 rotating assembly kits. We offer street kits with pump gas pistons to wild fully forged lightweight 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. CNC-Motorsports can customize any stroker kit to meet your specific needs. All balanced rotating assembly kits are completed in house by CNC-Motorsports. If you don’t see the rotating assembly kit you're wanting feel free to call or email our experienced staff today.
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SCA-1-41260 PART NUMBER
Scat 1-41260 SB Chevy 400 Competition Rotating Assembly - 11.4:1 CP Flat Top PistonsSpecial Price $2,683.95 Regular Price $2,743.95
Rotating Assembly, Scat 4340 Forged Standard Weight Crankshaft 3.750 Stroke, 400 Main, Scat 5.700 H-Beam Rods, CP Forged -6.9cc Flat Top Pistons, 2-PC Rear Seal
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SCA-1-41410 PART NUMBER
Scat 1-41410 SB Chevy 400 Competition Rotating Assembly - 11.4:1 CP Flat Top PistonsSpecial Price $2,680.95 Regular Price $2,740.95
Rotating Assembly, Scat 4340 Forged Standard Weight Crankshaft 3.750 Stroke, 400 Main, Scat 6.000 H-Beam Rods, CP Forged -6.9cc Flat Top Pistons, 2-PC Rear Seal
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SCA-1-41460 PART NUMBER
Scat 1-41460 SB Chevy 400 Competition Rotating Assembly - 9.8:1 CP Dish PistonsSpecial Price $2,745.95 Regular Price $2,805.95
Rotating Assembly, Scat 4340 Forged Standard Weight Crankshaft 3.750 Stroke, 400 Main, Scat 6.000 H-Beam Rods, CP Forged -21.9cc Dish Pistons, 2-PC Rear Seal
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SCA-1-41560 PART NUMBER
Scat 1-41560 SB Chevy 400 Competition Rotating Assembly - 13.3:1 CP Dome PistonsSpecial Price $2,745.95 Regular Price $2,805.95
Rotating Assembly, 4340 Forged Standard Weight Crankshaft 3.750 Stroke, 400 Main, 6.000 H-Beam Rods, CP Forged 5.1cc Dome Pistons, 2-PC Rear Seal
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CNC-1245-SCA PART NUMBER
Scat SB Chevy 400 Boost Competition Rotating Assembly - 8.5:1 Diamond PistonsSpecial Price $3,504.95 Regular Price $3,564.95
SB Chevy 400, 4340 Forged Blower Crankshaft 3.750 Stroke, 350 Main, 6.000 H-Beam Rods, -36cc Dish Diamond Pistons, 2-PC Rear Seal Learn More