CNC-Motorsports offers the best selection of Small Block Chevy 415-421 rotating assembly 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. 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 stroker kit you're wanting feel free to call or email our experienced staff today.
Shop By
-
SCA-1-40901 PART NUMBER
Scat 1-40901 SB Chevy 415/421 Competition Rotating Assembly - 11.8:1 CP Flat Top PistonsSpecial Price $2,824.95 Regular Price $2,874.95
Rotating Assembly, Scat 4340 Forged Standard Weight Crankshaft 3.875 Stroke, 350 Main, Scat 6.000 H-Beam Rods, CP Forged -6.8cc Flat Top Pistons, 2-PC Rear Seal
Learn More -
SCA-1-41564 PART NUMBER
Scat 1-41564 SB Chevy 415/421 Competition Rotating Assembly - 11.8:1 CP Flat Top PistonsSpecial Price $2,813.95 Regular Price $2,863.95
Rotating Assembly, Scat 4340 Forged Standard Weight Crankshaft 3.875 Stroke, 400 Main, Scat 6.000 H-Beam Rods, CP Forged -6.8cc Flat Top Pistons, 2-PC Rear Seal
Learn More