SRP 138100 Forged Small Block Chevy 400 Flat Top Pistons

SRP small block Chevy 350/400 flat-top pistons are ideal for everything from oval track to street/strip applications. They're forged from 4032 low-expansion, high-silicon aluminum alloy that's heat-treated to SRP specifications. Each piston includes a pin fitting, double Spiro locks, and wall wrist pins. (Rings are sold separately.) These flat-tops are available in a variety size specs for fitment on specific year/model and engine applications.

Bore (in): 4.155 in.
Bore (mm): 105.537mm
Piston Style: Flat top, with two valve reliefs
Piston Material: Forged aluminum
Compression Height (in): 1.125 in.
Piston Head Volume (cc): +5.00cc
Wrist Pin Style: Press-fit or floating
Wrist Pin Included: Yes
Pin Diameter (in): 0.927 in.
Piston Ring Thickness: 1/16 in. x 1/16 in. x 3/16 in.
Piston Rings Included: No
Oil Rail Included: Yes
Sold as a set of 8.