These high-compression pistons are compatible with most aftermarket 23º heads and are ideal for drag racing and circle track applications. Valve reliefs will accommodate oversized valves and long duration, tight lobe separation cams. Precision CNC ring grooves are designed for 1/16, 1/16, 3/16 rings. Will not fit Pro Topline or Brodix 11X cylinder heads. Bore: 4.060 Stroke: 3.750 Rod: 5.700 Deck: 9.000

Includes:
Pin #927-2750-15-51S (130g)
Double Spiro locks #927-042-CS
Contact reduction grooves
Double pin oilers
Made To Order
Price per piston.