Callies Compstar Crankshafts BBP425-CS

Overview

Brand:
Callies Performance
Manufacturer’s Part Number:
BBP425-CS
Part Type:
Crankshafts
Product Line:
Callies Compstar Crankshafts
Summit Racing Part Number:
CPI-BBP425-CS
Engine Stroke (in.):
4.250 in.
Crankshaft Material:
Forged 4340 steel
Engine Balance:
Internal
Rear Main Seal Style:
2-piece
Lightened:
Yes
Requires Narrow Bearings:
Yes
Rod Bearings Included:
No
Main Bearings Included:
No
Rod Journal Diameter (in.):
2.200 in.
Main Journal Diameter (in.):
2.750 in.
Balancer Bolt Thread Size:
1/2 in.-20
Crankshaft Snout Style:
Standard
Quantity:
Sold individually.

Callies Compstar Crankshafts

You’re installing value without compromising quality with Callies Compstar crankshafts. Finished and inspected by Callies, Compstar cranks maintain proper geometry and design. Hardened with deep nitride, They’re ideal for all types of abusive racing environments and available in a wide variety of strokes and journal sizes to fit most common cubic inch requirements. All rod journals are drilled and counterweights are profiled for piston clearance. Sometimes you need to race within a budget, but with Callies’ consistent grind and polish, as well as their precise stroke and index, you don’t need to compromise on quality. Choose Callies Compstar crankshafts–they’re better by design.