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.
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MOL-4222-NOS PART NUMBER
Molnar SB Chevy 415/421 Nitrous Rotating Assembly 13.5:1 Diamond Pistons$4,200.95
SB Chevy, 415 421 Stroker, Molnar Crankshaft 3.875 Stroke, Molnar 5.850 Power Adr Plus Stroker rods, Diamond Nitrous Pistons +9cc Dome, 2-PC Rear Seal, Nitrous kit
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