APPLICATION:
FLH 80"
FL 1978-1984
FX 1978-1984
FLT 1979-1983
FXR 1982-1983

DETAILS:
The Kieth Black 390 hypereutectic 3.5" bore piston set has a 8.3:1 compression ratio and is oversize .020. Piston set alloy is cast in a permanent steel molded and includes rings .
**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.

UOM: SET