Manley Crankshaft, CRANK-4340 FORGE 4.250 STROKE
Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a wide range of domestic engine applications.
  • Lightweight Design, 4340 Non-Twist Forging: Our crankshafts feature a lightweight 4340 non-twist forging, ensuring durability and performance.
  • Enhanced Strength: A multi-step heat treatment process and nitriding enhance the crankshafts' strength and longevity.
  • Micro-Polished Journals: Large radius journals are micro-polished to reduce friction and enhance performance.
  • Rigorous Quality Assurance: Each crankshaft undergoes stress relief, shot peening, and 100% magnafluxing to meet our stringent quality standards.

Information:

Manley Crankshaft, CRANK-4340 FORGE 4.250 STROKE
Attributes
Bob Weight 2350, 2350
California Proposition 65 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Category Hierarchy Cranks & Kits>Crankshafts, Cranks & Kits>Crankshafts
Country of Origin (Primary) CN
Crankshaft Material 4340, 4340 Steel
EBAY Category ID 33616
Emission Code Off Road
Engine Big Block, Big Block
Engine - Web Big Block, Big Block
Engine Detail - Web Big Block, Big Block
Engine Family Big Block, Big Block
Engine Stroke 4.250, 4.250
Engine Type ICE, ICE
Hazardous Material Code N
Industry Automotive, Automotive
Life Cycle Status Code Available to Order
Lightened No, No
Main Journal Diameter 2.750, 2.750
Make Chevrolet, Chevrolet
Make - Web Chevrolet, Chevrolet
Material 4340 Steel, 4340 Steel
Minimum Rod Length 6.385, 6.385
Out of Stock Message Call for Availability, Call for Availability
Product Market Domestic, Domestic
Product Type Engine Crankshaft, Engine Crankshaft
Rear Main Seal Type 2 Piece, 2 Piece
Reluctor Ring Included No, No
Rod Journal Diameter 2.200, 2.200
SDR Required Flag N
Title - Web Manley Chevy Big Block Forged Crankshaft - 4.250 in. Stroke, Manley Chevrolet Big Block Forged Crankshaft - 4.250 in. Stroke
Warranty Time 30
Weight 65.000, 65.000
GTIN 00807298062266