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Part Number

CNC-1264-CS

SB Chevy 415/421 Compstar Rotating Assembly, Balanced - 8.5:1 Diamond Race Dish Pistons

SB Chevy, Compstar 4340 Forged Crankshaft 3.875 Stroke, 350 or 400 Main, 6.000 H Beam Rods, Diamond -38cc Race Dish Pistons, 2-PC Seal, Balanced

$3,105.95

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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.

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Description

Compstar 4340 forged steel crankshaft, 2pc rear main seal
Compstar 4340 forged steel H beam connecting rods with ARP2000 rod bolts
Diamond forged -38cc Dish pistons with H13 wrist pins
Performance file fit piston ring set
H series performance main and rod bearings
This kit has been Internally balanced in-house by CNC-Motorsports

Compression Ratio with 58cc 9.0:1
Compression Ratio with 64cc 8.5:1
Compression Ratio with 70cc 8.2:1

Specifications

More Information
Price	$3,105.95
Vehicle Make	Chevy SB
Balanced Assembly	No
Balance Type	Internal
Crankshaft Material	4340 Forged Steel
Crankshaft Stroke	3.875
Piston Brand	Diamond
Piston Type	Dish
Rod Length	6.000
Rear Main Seal	2 Piece
Piston Material	Forged
Custom Notices	⚠ PROP 65 WARNING