74 FLH-FX Piston Set .040 Oversize
Keith Black 390 hypereutectic piston set is .040 oversize and is for 3.438 bore. Pistons have a compression of 9.0:1.
**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.
Country Of Origin: MEXICO
Suggested Items: 11-1372 - 74 Moly Piston Ring Set .040 Oversize
16-0622 - Ring-O-Matic Ring Compressor Tool Kit
16-0029 - Connecting Rod Clamping Tool
60-0167 - Cylinder Boring Service