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Replacement pistons and rods are available in numerous sizes, configurations and materials. Replacement components can generally be categorized as replications or performance enhanced. Replicated components simply clone the original design, thus offering no design upgrade. Performance enhanced components provide redesigned concepts that optimize maintenance ease, service life and safety.
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One Piece Pistons and Thru-Bolt Rods
- Rod and piston removal from cylinder required to service piston
- Safety and torquing concerns with piston-to-rod spanner nut attachment
- Limited rider ring radial thickness due to stretch over assembly
Segmental Pistons and Thru-Bolt Rods
- Piston segments and trim removable from cylinder without disturbing rod(s)
- Existing rods reused for cost savings
- Piston body is permanently attached to rod
- Segments accurately torqued to piston body with multi-studs
- Piston end clearances not disturbed
- Heavy radial thickness rider rings for greater stability
- Riders can be indexed to new angular running positions
Three-Piece Pistons and Flanged Multi-stud Rods
- Complete piston removal from cylinder without disturbing rod
- Piston accurately torqued to rod flange with multi-studs
- Piston end clearance not disturbed
- Heavy radial thickness rider rings for greater stability, installed in open ended grooves
- Riders can be indexed to new angular running positions
- Cost effective, individual piston piece replacement if damage or wear occurs
Three-Piece Pistons and Thru-Bolt Rods
- Offer the same rider features as flanged multi-stud piston attachment
- Piston serviceability limited
- Safety and torquing limitation still a concern
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