Bore : 4.125 in.
Piston Style: Flat top, with two valve reliefs
Compression Distance: 1.000 in.
Pin Diameter: 0.927 in.
Piston Ring Thickness: 1/16 in. x 1/16 in. x 3/16 in.
Notes: Rail supports included. Supplied with wire locks. With gas ports.
Set of 8
CP Pistons 400 Chevy 13 degree flat-top gas port pistons are designed for serious engine builders looking to achieve maximum engine performance. These pistons are manufactured for high-compression engines only, including gas ports in the deck of the pistons, and can be used with backcut rings. These gas ports provide extra sealing to the top ring in between the compression and power stroke. All CP Pistons 400 Chevy 13 degree dome gas port pistons are balanced to +/-1 gram.
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