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Part Number:
CNC-1266-CS

CNC SB Chevy 415/421 Compstar Rotating Assembly - 14.7:1 Diamond Race Dome Pistons, Balanced

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

$3,743.95
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⚠ PROP 65 WARNING
⚠ WARNING: This product can expose you to chemicals, which are known to the State of California to cause cancer. Please contact us to obtain a list of harmful chemicals. For more information, go to www.P65Warnings.ca.gov.

Compstar 4340 forged steel crankshaft, 2pc rear main seal
Compstar 4340 forged steel H beam connecting rods with ARP2000 rod bolts
Diamond forged 11cc Dome pistons
Performance file fit piston ring set
H series performance main and rod bearings
This kit is internal balanced in-house by cnc-motorsports

Compression Ratio with 58cc 16.1:1
Compression Ratio with 64cc 14.7:1
Compression Ratio with 70cc 13.5:1

More Information
CNC Part Number CNC-1266-CS
Price $3,743.95
Manufacturer's Part Number 1266-CS
Brands Compstar, Diamond
Part Types Engine Rotating Assembly Kit
Departments Parts
Vehicle Make SB Chevy
Balanced Assembly Yes
Balance Type Internal
Crankshaft Material 4340 Forged Steel
Crankshaft Stroke 3.875
Piston Brand Diamond
Piston Type Dome
Rod Length 6.000
Rear Main Seal 2 Piece
Piston Material 2618 Forged
Custom Notices ⚠ PROP 65 WARNING
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