Molnar Technologies

Molnar Big Block Chevy Forged Crankshafts w/8 Counterweights – 2pc Seal

$1,170.00 Each - Free Shipping

Molnar 4340 Forged Big Block Chevy Crankshafts are available in 4.250″, 4.375″, 4.500″ or 4.750″ stroke and counterweights clearanced for use with 6.385″, 6.535″ or 6.635″ rod lengths. This model uses 8 Counterweights.

Heat treated to increase strength and shot peened to reduce fatigue. Molnar offers excellent quality and durability, they are nitride coated for wear resistance and 100% mag particle inspected to ensure against cracks.

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Part NumberDescriptionStrokeMainRod Pin DiameterMinimum Rod LengthBob Weight
MOL-454-4250DC8F-6385Big Block Chevy w/ 8 Counterweights4.2504542.2006.3852150
MOL-454-4375DC8F-6385Big Block Chevy w/ 8 Counterweights4.3754542.2006.3852150
MOL-454-4500DC8F-6535Big Block Chevy w/ 8 Counterweights4.5004542.2006.5352300
MOL-454-4750DC8F-6635Big Block Chevy w/ 8 Counterweights4.7504542.2006.6352300
Weight85 lbs
Dimensions32 × 10 × 10 in
Rod Length

6.135", 6.385", 6.535", 6.635"

Stroke

4.000", 4.250", 4.375", 4.500", 4.750"

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