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User-friendly Manley 190130nb - Chevrolet Small Block Forged 4.000in Stroke Crankshaft Instant 85% Discount [mQJ254SP]

$75.99 $243.99 -69%

User-friendly Manley 190130nb - Chevrolet Small Block Forged 4.000in Stroke Crankshaft Instant 85% Discount [mQJ254SP]Manley Crankshaft, CRANK-4340 FORGE 4.000 STROKE.Our "Pro Series" 4340 alloy steel crankshafts are available with many value packed and high-performance enhancing features for a

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User-friendly Manley 190130nb - Chevrolet Small Block Forged 4.000in Stroke Crankshaft Instant 85% Discount [mQJ254SP]

Manley Crankshaft, CRANK-4340 FORGE 4.000 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.
Product Market: Domestic
Product Type: Engine Crankshaft
Rear Main Seal Type: 2 Piece
Reluctor Ring Included: No
Rod Journal Diameter: 2.100
Title - Web: Manley Chevy Small Block Forged Crankshaft - 4.000 in. Stroke
Weight: 50.000
Bob Weight: Unbalanced
Category Hierarchy: Cranks & Kits>Crankshafts
Crankshaft Material: 4340
Engine - Web: Small Block
Engine Detail - Web: Small Block
Engine Family: Small Block
Engine Stroke: 4.000
Engine Type: ICE
Engine: Small Block
Industry: Automotive
Lightened: Yes
Main Journal Diameter: 2.450
Make - Web: Chevrolet
Make: Chevrolet
Minimum Rod Length: 6.000
Out of Stock Message: Call for Availability

What Our Customers Say

January 12, 2026

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January 12, 2026

Absolutely no complaints!

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January 12, 2026

Absolutely no complaints!

It's a very precise and reliable instrument. A joy to use.

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