Speedway Gas Proven Series Piston Rings, 4.00 Bore, Styles A, C, D
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Q & A (2)
What's in the Box
InfoSpeedway Gas Proven piston rings are the best value in piston rings! These tough rings will withstand 12.5 maximum compression, 7000 maximum sustained RPM, and up to 450 HP. First and second rings are cast iron yielding 55,000 psi strength with end gap factory set at .012" to .018". Three piece oil ring features chrome rails over a stainless steel expander, which gives uniform wall pressure and efficient oil control.
Designed for gasoline use. Not recommended for use with alcohol.
Ring Style Chart (GIF)
Speedway Piston Ring Hierarchy
- Good - Speedway Gas Proven Series
- Better -Speedway Moly
- Best - Speedway Plasma Moly
- Ultimate Race - Speedway Pro Series
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