SRP Late Model Pro Stock Forged Aluminum Pistons Single Flat Top 4 Valve Reliefs

King Racing Products Standard XP Narrowed Connecting Rod Bearing Set SBC SRP Late Model Stock PistonFlat Top with 4 Valve ReliefsForged Aluminum Part No. 157700S Sold as Single Piston SRP late model stock pistons are designed for flyweight, competition 2-barrel applications for optimum "off-the-corner" acceleration and 2-barrel applications up to 400 hp. They are forged from premium 2618 aluminum alloy. Their CNC-machined ring grooves accept 1/16, 1/16, 3/16 rings, which are sold separately. A pin fitting, double Spiro locks, and a wall wrist pin are included. If you have any questions please feel free to email us or call our shop. One of our qualified techs will be happy to help. Piston Style: Flat Top with 4 valve reliefs Piston Material: Forged Aluminum Bore (in): 4.030 in. Bore (mm): 102.362 mm Compression Height (in): 1.260 in. Piston Head Volume (cc): +5.00cc Wrist Pin Style: Press Fit or Floating Pin Lock Rings Included: Yes Wrist Pin Included: Yes Pin Diameter (in): .927 in Piston Ring Thickness: 1/16 in. x 1/16 in. x 3/16 in. Piston Rings Included: No Quantity: Single Piston