61 inch Overhead Valve 3-5/16 inch Piston Set .020 Oversize

Piston set with 3-5/16 inch bore has a 7.0:1 compression ratio and is .020 oversize. Set includes a piston ring set 2 wrist pins and 4 circlips. Pistons have a steel expansion control strut cast. The deck compression height measures 1.645. **Note: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings.

• 1936-1940 EL

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