Piston/Pin/Ring Specifications
PISTONS, PINS & RINGS SPECIFICATIONS
| Application | In. (mm) | ||
|---|---|---|---|
| Pistons | |||
| Clearance | .0018-.0026 (.046-.066) | ||
| Diameter | |||
| Red | 3.9984-3.9990 (101.56-101.57) | ||
| Blue | 3.9996-4.0002 (101.59-101.60) | ||
| Yellow | 4.0020-4.0026 (101.65-101.66) | ||
| Oversize .003"(.076mm) | 4.0008-4.0014 (101.62-101.63) | ||
| Pins | |||
| Length | 3.010-3.040 (76.45-77.21) | ||
| Diameter | |||
| Standard | .9119-.9124 (23.162-23.174) | ||
| Oversizes | .001 & .002 (.025 & .050) | ||
| Pin Bore | .9124-.9127 (23.174-23.182) | ||
| Connect Rod Bore | .9096-.9112 (23.103-23.144) | ||
| Piston Fit | .0002-.00045 (.005-.010) | ||
| Rod Fit | Press Fit | ||
| Rings | |||
| Ring No. 1 & No. 2 | |||
| End Gap | .010-.020 (.25-.51) | ||
| Side Clearance | .002-.004 (.05-.10) | ||
| Ring No. 3 | |||
| End Gap | .015-.055 (.38-1.40) | ||
| Side Clearance | Snug | ||