These pistons are perfect for your high-compression 17º/18º engine, with smooth flowing domes for optimum flame travel and angle milled head compatibility. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings. These pistons utilize dedicated left and right hand forgings. Bore: 4.040 Stroke: 3.500 Rod: 6.000 Deck: 9.000

Includes:
Pin #927-2750-15-51S (130g)
Double spiro locks (#927-042-CS), unless noted
Double Pin Oilers
Contact Reduction Grooves
Price per piston.