Replica 1000cc 3-3/16" Piston Set .070 Oversize

Replica 3-3/16" bore piston set has a 9:1 compression ratio and is .070 oversize. Set includes a piston ring set, 2 wrist pins and 4 cirlips. Pistons have a steel expansion control strut cast.
**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.