BB Chevy 18*

Ross Pistons: BB Chevy 18* BBC 18* N2O - 4.6 Bore, 4.75Stroke, 6.7 Rods.14 Dish/Dome

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Ross Pistons for BB Chevy 18* BBC 18* N2OPart # 99827

Bore: 4.6

Stroke: 4.75

Rod: 6.7

Dish/Dome: 14

Pin:

Rings: .043, 1/16, 3/16

Comp Height: 1.12

Includes: Pistons, Pins. NOTE: These pistons require pin buttons, no spirolock grooves