Pistons, Pins and Rings

Piston Diameter (Std.) [01]
Piston Clearance 0.0030-0.0012 inches
Piston Pin Diameter 0.8659-0.8661 inches
Piston Pin To Piston Clearance 0.0005-0.0010 inches

Piston Ring End Gap:
Comp. [02]
Oil 0.008-0.028 inches

Piston Ring To Groove Clearance:
Top Ring 0.0014-0.0024 inches
Second Ring 0.0012-0.0022 inches

[01] -- No letter, 3.4248-3.4253 inches; letter B, 3.4244-3.4290 inches.
[02] -- Top ring, 0.0010-0.0140 inches; second ring, 0.024-0.030 inches.