J.E. Pistons 247612 Round Piston Kit - 4.00mm Oversize to 89.00mm, 10.8:1 Compression engine-gaskets-seals-cam-cover-gaskets SUPER-LOCK lens locking technology offers

SUPER-LOCK lens locking technology offers secure and quick-change lens swaps in a matter of seconds

Utilizing Safari

silicon-shielded tempered springs

API GL-5 rated

1971 Honda QA50

J.E. Pistons 247612 Round Piston Kit - 4.00mm Oversize to 89.00mm, 10.8:1 Compression engine-gaskets-seals-cam-cover-gaskets SUPER-LOCK lens locking technology offersBore: 89. 00mm Compression: 10. 8: 1 Compression Sizing: 4. 00mm Oversize Requires Bore and Replating From Daytona to Bonneville, JE Pistons continues to set the standards in street bike piston design. JE has recorded wins at Daytona with American Hondas CBR600RR, low ETs on the drag strip and land speed records at Bonneville. Machined from 2618 T6 high tensile forged aluminum. Dome dish features smooth flowing radii; require no deburring or