- Forged 2618 aluminum
- Moly coated piston skirts
- High-strength, lightweight Chromoly wrist pin
- Phosphate coating to reduce micro-welding and pin galling
- Forced pin oiling preventing scuffing at start-up
- Precision machined ring grooves preventing ring flutter and positive ring seal
- Includes two pistons, wristpins, ring set, pin locks
- Bore Size 3.937"; compression ratio 10.5:1, effective volume +0.6cc; valve depth intake: .209", exhaust: .209"; wrist pin dia. .927"; wrist pin length: 2.650"; offset pin .030"; weight 361 grams
- Made in the U.S.A.
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