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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CNC-1205-CS PART NUMBER
CNC SB Chevy 400 Compstar Rotating Assembly - 8.6:1 Diamond Race Dish Pistons, Balanced$3,642.95
SB Chevy, Compstar 4340 Forged Crankshaft 3.750 Stroke, 350 or 400 Main, 6.000 H Beam Rods, Diamond -36cc Race Dish Pistons, 2-PC Seal, Balanced Assembly
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CNC-1206-CS PART NUMBER
CNC SB Chevy 400 Compstar Rotating Assembly - 13.7:1 Diamond Dome Pistons, Balanced$3,518.95
SB Chevy, Compstar 4340 Forged Crankshaft 3.750 Stroke, 350 or 400 Main, 6.000 H Beam Rods, Diamond 8cc Dome Pistons, 2-PC Seal, Balanced
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CNC-1207-CS PART NUMBER
CNC SB Chevy 400 Compstar Rotating Assembly - 14.7:1 Diamond Race Dome Pistons, Balanced$3,730.95
SB Chevy, Compstar 4340 Forged Crankshaft 3.750 Stroke, 350 or 400 Main, 6.000 H Beam Rods, Diamond 13cc Race Dome Pistons, 2-PC Seal, Balanced Assembly
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CNC-1209-CS PART NUMBER
CNC SB Chevy 400 Compstar Rotating Assembly - 13.8:1 Diamond Nitrous Dome Pistons, Balanced$3,861.95
SB Chevy, Compstar 4340 Forged Crankshaft 3.750 Stroke, 350 or 400 Main, 6.000 H Beam Rods, Diamond 9cc Nitrous Dome Pistons, Total Seal AP Steel Rings, 2-PC Seal, Balanced Assembly
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CNC-1234-CS PART NUMBER
CNC SB Chevy 406 Compstar Comet Rotating Assembly - 11.6:1 SRP Professional Flat Top Pistons$2,876.95
SB Chevy, Compstar Comet 4340 Forged lightweight Crankshaft 3.750 Stroke, 350 Main, 6.000 H Beam Rods, SRP -5cc Flat Top Pistons, 2-PC Seal Learn More -
CNC-1235-CS PART NUMBER
CNC SB Chevy 406 Compstar Comet Rotating Assembly - 13.0:1 SRP Professional Dome Pistons$2,942.95
SB Chevy, Compstar Comet 4340 Forged lightweight Crankshaft 3.750 Stroke, 350 Main, 6.000 H Beam Rods, SRP Professional 4cc Dome Pistons, 2-PC Seal Learn More -
CNC-1244-CS PART NUMBER
SB Chevy 406 Compstar Comet Rotating Assembly - 11.7:1 Mahle Flat Top Pistons, Balanced$2,922.95
SB Chevy, Compstar Comet 4340 Forged lightweight Crankshaft 3.750 Stroke, 350 Main, 6.000 H Beam Rods, Mahle -5cc Flat Top Pistons, 2-PC Seal Learn More -
CNC-1245-CS PART NUMBER
SB Chevy 406 Compstar Comet Rotating Assembly - 14.5:1 Mahle Dome Pistons$2,890.95
SB Chevy, Compstar Comet 4340 Forged lightweight Crankshaft 3.750 Stroke, 350 Main, 6.000 H Beam Rods, Mahle 11cc Dome Pistons, 2-PC Seal Learn More -
CNC-1246-CS PART NUMBER
CNC SB Chevy 406 Compstar Comet Rotating Assembly - 13.1:1 Mahle Dome Pistons$2,890.95
SB Chevy, Compstar Comet 4340 Forged lightweight Crankshaft 3.750 Stroke, 350 Main, 6.000 H Beam Rods, Mahle 4cc Dome Pistons, 2-PC Seal Learn More -
CNC-1248-CS PART NUMBER
CNC SB Chevy 406 Compstar Comet Rotating Assembly - 10.4:1 Mahle Dish Pistons$2,891.95
SB Chevy, Compstar Comet 4340 Forged lightweight Crankshaft 3.750 Stroke, 350 Main, 6.000 H Beam Rods, Mahle -16cc Dish Pistons, 2-PC Seal Learn More