Supertech Forged Performance Pistons – 81mm Bore, B-Series Compatible

Description

• Bore: 81.00mm(81.02mm)
• Over Size: Std
• Comp Ratio: 9:1 on a B16A Vtec
• Volume CCs: -2.5
• Head CCs: 42.7
• Comp Height: 1.181″(30mm)
• Stroke: 3.047″
• Rod Length: 5.290″
• Pin Diam: 21mm(.827″)
• Weight: 241grs
• Ring P/N: GNH-8100
• Note: T/N

Pistons come coated with Pins, locks (set of 4) 

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