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Pistons, Piston Pins & Piston Rings Specifications

PISTONS, PINS & RINGS

Application In. (mm)
Pistons
Clearance (1) -.0001-.0016 (-.003-.041)
Diameter
2000 3.3846-3.3856 (85.968-85.994)
2001 3.3844-3.33858 (85.964-86.002)
Pins
Diameter .8661-.8662 (21.999-22.001)
Piston Fit
2000 .0001-.0004 (.003-.010)
2001 .0002-.0005 (.005-.012)
Rod Fit .0003-.0008 (.008-.020)
Ring-No. 1
End Gap .008-.014 (.20-.36)
Side Clearance .0016-.0031 (.041-.080)
Ring-No. 2
End Gap .014-.024 (.37-.63)
Side Clearance .0016-.0031 (.041-.080)
Ring-No. 3 (Oil)
End Gap .010-.030 (.25-.75)
Side Clearance .0025-.0082 (.064-.208)
(1) Piston at skirt is elliptical and is coated with a solid lubricant. Measuring piston .39" (10 mm) above bottom of skirt and the combination of these design features may result in a negative bore-to-piston clearance.