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Lunati BR421MN

4.625-2.750-2.200RL6.700 NO BL

638-BR421MN

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Estimated ship date 06/07/17 if Ordered Today
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Lunati BR421MN 4.625-2.750-2.200RL6.700 NO BL $1,916.99
4.625-2.750-2.200RL6.700 NO BL

Lunati BR421MN Details

Pro Series™; Crankshaft; Stroke 4.625 in.; Main Dia. 2.750 in.; Pin Dia. 2.2 in.; Rod Length 6.7 in.; Chevrolet Big Block V8;

Specifications:

Engine Balance
Internal
Rear Main Seal Style
2-piece
Balancer Bolt Thread Size (in.)
1/2-20
Crankshaft Material
Forged 4340 steel
Crankshaft Snout Style
Standard
Engine Stroke (in.)
4.625
Lightened
Yes
Main Bearings Included
No
Main Journal Diameter (in.)
2.749
Quantity
Sold individually
Requires Narrow Bearings
Yes
Rod Bearings Included
No
Rod Journal Diameter (in.)
2.2
Manufacturer's Part Number:
BR421MN
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