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Part Number:

CNC-1131-CS

SB Chevy 427 434 Compstar Rotating Assembly, 12.3:1 SRP Professional Pistons

SB Chevy 427 434, Rotating Assembly, Compstar 4340 Forged Crankshaft 4.000 Stroke, 350 or 400 Main, 6.000 H Beam Rods, SRP Professional -5cc Flat Top Pistons, 2-PC Seal

$2,697.95

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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

Callies Compstar rotating assembly kits offer quality and reliability you can count on. Featuring fully forged crankshafts, connecting rods and pistons these kits are designed to make horsepower. Conservatively rated to support 900 horsepower applications. Higher horsepower applications please contact us for kit option upgrades.

Compstar 4340 forged steel crankshaft, 2pc rear main seal

Compstar 4340 forged steel H beam connecting rods with ARP2000 rod bolts

SRP Professional Series 4032 forged -5cc Flat Top pistons

1.2mm carbon steel top ring, 1.5mm Napier 2nd rings, 3.0mm standard ring, File to fit

H series performance main and rod bearings

Rotating assembly comes unbalanced, balancing is required before installation.

Compression Ratio with 58cc 13.1:1

Compression Ratio with 64cc 12.3:1

Compression Ratio with 70cc 11.4:1

Specifications

More Information
CNC Part Number	CNC-1131-CS
Price	$2,697.95
Sold As	Kit
Manufacturer's Part Number	1131-CS
Brands	Compstar, SRP
Part Types	Engine Rotating Assembly Kit
Departments	Parts
Vehicle Make	Chevy SB
Balanced Assembly	No
Balance Type	Internal
Crankshaft Material	4340 Forged Steel
Crankshaft Stroke	4.000
Piston Brand	SRP
Piston Type	Flat Top
Rod Length	6.000
Rear Main Seal	2 Piece
Piston Material	Forged
Custom Notices	⚠ PROP 65 WARNING