SRP 140329 Big Block Chevy Pistons 540

SRP big block Chevy high-compression dome top pistons have a hollow dome design that fits most open chamber STD GM, Dart, and Brodix heads. They're forged from premium 2618 aluminum alloy with CNC-machined domes with radiused valve reliefs that provide optimum flame travel. The pistons include a pin fitting, double Spiro locks, and a wall wrist pin. Their CNC-machined grooves accept 1/16, 1/16, 3/16 rings, which are sold separately. SRP pistons will fit tall decks when used with .400 in. long ends, but will not fit GM Signature Series or Edelbrock cylinder heads. Pin upgrades are available. Dozens of models are available, with bore, stroke, rod length, and style options. Select the set that best suits your vehicle and engine application.

Bore (in): 4.500 in.
Bore (mm): 114.300mm
Piston Style: Dome, with single valve relief
Piston Material: Forged aluminum
Compression Height (in): 1.270 in.
Piston Head Volume (cc): -36.00cc
Wrist Pin Style: Press-fit or floating
Wrist Pin Included: Yes
Pin Diameter (in): 0.990 in.
Piston Ring Thickness: 1/16 in. x 1/16 in. x 3/16 in.
Piston Rings Included: No
Sold as a set of 8.
Notes: Oil rail support included.