Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Recommended For Turbo Applications running up to 12LBS of Boost
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.07
Stroke: 4.05
Rod Length: 6.125
Compression Height: 1.085
Compression Ratio (57):
Dome Volume: -18
Gram Weight: N/A
Rings: 1.2 1.2 3.0
Ring Set: RGN4072
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.3
Pin Wall: 0.15
Pin Weight: 110 g. Grams
Block Height: 9.245
Optional Upgrade: Recommend Upgrading to Ross 4340 or H13 Pins for applications running NOS over 600HP

Application: Not Recommended for Nitrous or Forced Induction Applications
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.08
Stroke: 4.05
Rod Length: 6.125
Compression Height: 1.085
Compression Ratio (57):
Dome Volume: -0.59
Gram Weight: N/A
Rings: 1.2 1.2 3.0
Ring Set: RGN4082
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.3
Pin Wall: 0.15
Pin Weight: 110 g. Grams
Block Height: 9.245
Optional Upgrade: Recommend Upgrading to Ross 4340 or H13 Pins for applications running NOS over 600HP