Description
HASTINGS
MPN: 6482040
Parts Canada P/N: DS-750624
V-Twin MFG P/N: 11-1372
Big Twin Cast Coated .040 Piston Rings
*NOS; packaging opened for pictures.*
- Includes top compression rings, second compression rings, and oil control rings
- Top Compression Rings are Barrel Face
- Cast coated
- Helps in the the heat transfer process between the piston and cylinder wall
- Controls combustion chamber gases allowing the piston to transfer the energy of the expanding combustion gases, to the crankshaft
- Second Compression Ring are Reverse Torsional Taper Face
- Promotes side sealing that prevents oil from being forced under and behind the ring resulting in better oil economy
- Reverse twist ring along with a taper-machined ring face duplicates the OD bottom side scraping edge of a positive twist torsional ring
- Oil Control Rings are Three Piece Flex Vent
- Three-piece design allows rails to be manufactured with a small cross sectional area for better conformability to bore
- Provides uniform pressure through four steel rails and two expanders assuring positive oil control
- Made in the USA
- Includes enough rings for two pistons (unless noted).
- Two rings per groove, except for the rails that will be two rail rings per one expander ring.
Fitment: ‘48-’80 74″ Big Twins
PLEASE ENSURE THIS WILL FIT YOUR BIKE PRIOR TO PURCHASE.
Bin B8-H
