Whats Included: Complete Set Of Pistons, Locks, & Pins
Application: Recommended for Applications Using Nitrous (Up To 150HP Shot) / Not Recommended For Turbo Applications
[Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Dome Top
Bore: 4.280
Stroke: 4.000
Rod Length: 6.385
Compression Height: 1.398
Compression Ratio (106.00): 12.50
Compression Ratio (112.00): 11.70
Compression Ratio (116.00): 11.30
Dome Volume: 36.00
Dome Height: .700
Gram Weight: 583
Rings: 1/16 1/16 3/16
Ring Set: CR9190
Rings Included: No
Oil Rail Spacer: Not Included
Pin Type: 5115 Straight Wall
Pin Diameter: .990
Pin Length: 2.930
Pin Wall: 150
Pin Weight: 146 Grams
Block Height: 9.800
Top Land: .330
Second Land: .157
Oil Land: .078
Deck Thickness: .200
Intake Cutter: 2.400
Exhaust Cutter: Slant
Intake Depth: .320
Exhaust Depth: .120 up
Note: Also Fits Open Chamber Head