Piston: Specifications

Clearance in Bore 0.019 mm - 0.051 mm (0.0007" - 0.0020")
Compression Height 32.0 mm +/- 0.1 mm (1.260" +/- 0.004")
Piston Diameter at 70 F (21 C) 91.957 mm - 91.973 mm (3.6203" - 3.6210")
Piston Pin Bore I.D. at 70 F (21 C)
(VIN D, 3) 22.002 mm - 22.006 mm (0.8662" - 0.8664")
(VIN A) 22.008 mm - 22.012 mm (0.8664" - 0.8666")
Weight Less Pin & Rings (LD2 or L40) 403g +/- 6g (14.039 oz. +/- 0.1764 oz.)
Weight Less Pin & Rings (LGO) 420g +/- 6g (14.8151 oz +/- 0.0021 oz.)
Ring Groove Width-Top Compression
(VIN D,3) 1.53 mm - 1.55 mm (0.060" - 0.061")
(VIN A) 1.55 mm - 1.57 mm (0.061" - 0.062")
Ring Groove Width-Second Compression 1.52 mm - 1.54 mm (0.0598" - 0.0606")
Ring Groove Width-Oil 3.01 mm - 3.03 mm (0.1185" - 0.1193")