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Molnar Technologies

MOLNAR TECHNOLOGIES BBC Forged Crank 4.250 Stroke 454 Mains

MPN: 4544250dc6f6385 Catalog #: 001880798 Category: Crankshafts Check Vehicle Fitment

Product Details

Crankshaft - 4.250 in Stroke - Internal Balance - Forged Steel - 2-Piece Seal - Big Block Chevy - Each. 6.385 in Minimum Rod Length.

Vehicle Fitment

Universal or product-specific fitment. Please review the product details and contact us if you need help confirming fitment before ordering.

Engine Compatibility

GM - BBCMatched variant: BBC

Big Block Chevy; 396/427/454/572

Fitment note: Engine compatibility is provided as a guide. Please verify all fitment details before ordering.

Product Specs

Brand
Molnar Technologies
Part Number
4544250dc6f6385
Catalog Number
001880798
Product Line
Crankshafts
Category
Engines & Parts
Type
Crankshafts
Length
34.20 in
Width
12.25 in
Height
10.50 in
Weight
72.46 lb
Ship Alone
No
Air Restricted
No

Shipping & Availability

Current status 2 Available - Ready to ship
Estimated timing Usually ships within 24hrs

This item is showing available inventory. Most in-stock performance parts ship quickly, but timing can vary by warehouse, vendor cut-off time, holidays, and carrier pickup.

Inventory shown: 2 available as of 6/3/2026.

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