VTwin Hastings 74" Motorcycle Standard Engine Piston Ring Set 1954-1977 Harley 1987-1993 Harley-Davidson Low Rider FXRS

1987-1993 Harley-Davidson Low Rider FXRS Late: 1987

matched passages and holes to the engine case• 68% more oil volume to the crankshaft and connecting rod bearing• 15-25 degree cooler engine temperatures• 15-30 degree cooler oil temperatures• 10-30 more PSI of oil pressure• Reduces wet sumping

2021 Indian Scout Bobber

604" EXHAUST DURATION 260° / 260° EXHAUST OPEN 64° / 64° EXHAUST CLOSE 16° / 16° UNITS PAIR RIDING STYLE STREET Fits the Following Models

Gaskets have resistance to temperatures of more than 2500°F

VTwin Hastings 74" Motorcycle Standard Engine Piston Ring Set 1954-1977 Harley 1987-1993 Harley-Davidson Low Rider FXRSHasting cast piston ring set is for 3 7 16" bore and is standard size. Features compression rings with a size of 1 16" and oil rings with the size of 3 16". Sold as a pair for 2 pistons. Bore size is 3. 4380" 3. 4385" inner diameter. FITS FL 1954 1977 FX 1971 1977 UOM 1 SET Manufacturer Hastings Rings Origin USA Size STD