JavaScript seems to be disabled in your browser. For the best experience on our site, be sure to turn on Javascript in your browser.

Skip to the beginning of the images gallery

Image is a representation of this item. Actual item may vary.

Part Number:

CNC-1177-MR

SB Chevy 427/434 Molnar Balanced Rotating Assembly - 13.9:1 Mahle Pistons

SB Chevy 427 434, Rotating Assembly, Molnar 4340 Forged Crankshaft 4.000 Stroke, 350 or 400 Main, 6.000 H Beam Rods, Mahle 4cc Dome Pistons, 2-PC Seal, Balanced

$3,117.95

View Similar Items

⚠ 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.

Description

Molnar 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 1000 horsepower applications. Higher horsepower applications please contact us for kit option upgrades.

Molnar 4340 forged steel crankshaft, 2pc rear main seal

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

Mahle 2618 forged 4cc Dome pistons, fits 23 degree cylinder heads

Mahle Performance file to fit rings, 1.0 1.0 2.0mm

H series performance main and rod bearings

This kit is been internal balanced in-house by cnc-motorsports

Compression Ratio with 58cc 15.1:1

Compression Ratio with 64cc 13.9:1

Compression Ratio with 70cc 12.9:1

Specifications

More Information
CNC Part Number	CNC-1177-MR
Price	$3,117.95
Manufacturer's Part Number	1177-MR
Brands	Mahle, Molnar
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	4.000
Piston Brand	Mahle
Piston Type	Dome
Rod Length	6.000
Rear Main Seal	2 Piece
Piston Material	4032 Forged
Custom Notices	⚠ PROP 65 WARNING