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CNC-1250-CS PART NUMBER
CNC SB Chevy 415/421 Compstar Rotating Assembly - 13.5:1 Mahle Dome Pistons, Balanced$3,024.95
SB Chevy, Compstar 4340 Forged Crankshaft 3.875 Stroke, 350 or 400 Main, 6.000 H Beam Rods, Mahle 4cc Dome Pistons, 2-PC Seal, Balanced Assembly
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CNC-1252-CS PART NUMBER
CNC SB Chevy 415/421 Compstar Balanced Rotating Assembly - 13.7:1 JE Dome Pistons, Balanced$3,330.95
SB Chevy, Compstar 4340 Forged Crankshaft 3.875 Stroke, 350 or 400 Main, 6.000 H Beam Rods, JE 5.6cc Dome Pistons, 2-PC Seal, Balanced Assembly
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CNC-1254-CS PART NUMBER
CNC SB Chevy 415/421 Compstar Balanced Rotating Assembly - 14.7:1 JE Hollow Dome GP Pistons$3,554.95
SB Chevy, Compstar 4340 Forged Crankshaft 3.875 Stroke, 350 or 400 Main, 6.000 H Beam Rods, JE 10.8cc Hollow Dome GP Pistons, 2-PC Seal Learn More -
CNC-1266-CS PART NUMBER
CNC SB Chevy 415/421 Compstar Rotating Assembly - 14.7:1 Diamond Race Dome Pistons, Balanced$3,743.95
SB Chevy, Compstar 4340 Forged Crankshaft 3.875 Stroke, 350 or 400 Main, 6.000 H Beam Rods, Diamond 11cc Race Dome Pistons, 2-PC Seal, Balanced Assembly
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CNC-1269-CS PART NUMBER
CNC SB Chevy 415/421 Compstar Rotating Assembly - 13.8:1 Diamond Nitrous Dome Pistons, Balanced$3,868.95
SB Chevy, Compstar 4340 Forged Crankshaft 3.875 Stroke, 350 or 400 Main, 6.000 H Beam Rods, Diamond 7cc Nitrous Dome Pistons, Total Seal AP Steel Rings, 2-PC Seal, Balanced
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CS-421-CPD PART NUMBER
Compstar SB Chevy 415/421 Stroker Kit, Balanced Assembly, CP Pistons 13.5:1 Dome$3,044.95
SB Chevy 415 421, Compstar Crankshaft 3.875 Stroke, 350 or 400 Main, Compstar 6.000 H Beam Rods, CP Pistons +5.1cc Dome, Rings, Bearings, Balanced Assembly Learn More