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Piston/Pin/Ring Specifications

PISTONS, PINS, & RINGS SPECIFICATIONS

Application Specification
Pistons
Clearance In. (mm) (1) .0009-.0018 (.024-.048)
Pins
Piston Fit In. (mm) Interference
Rod Fit In. (mm) .0007-.0013 (.018-.032)
Rings
Ring No. 1
End Gap In. (mm) .008-.016 (.20-.40)
Side Clearance In. (mm) (2) .0020-.0032 (.050-.082)
Ring No. 2
End Gap In. (mm) .008-.016 (.20-.40)
Side Clearance In. (mm) (2) .0020-.0032 (.050-.082)
Ring No. 3
End Gap In. (mm) .015-.055 (.40-1.4)
Side Clearance In. (mm) (2) .0009-.0054 (.023-.137)
(1) Wear limit .0032" (.080 mm).
(2) For KS piston rings. For Mahle piston rings, No. 1 clearance is .0024-.0040" (.060-.102 mm), No. 2 clearance is .0015-.0026" (.040-.072 mm) and No. 3 clearance is .0005-.0049" (.013-.127 mm). Piston manufacturer must match ring manufacturer.
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