Whats Included: Complete Set Of Pistons, Rings, Locks, Pins & Oil Rail Spacers (As Required)
Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (20+ LBS)
[Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: (-26.5cc) Dish Top
Bore: 4.155
Stroke: 4.000
Rod Length: 6.125
Compression Height: 1.110
Compression Ratio (64): 9.0
Compression Ratio (70): 8.6
Compression Ratio (72): 8.5
Dome Volume: -36.50
Gram Weight: N/A
Rings: 1.2 1.2 3.0
Ring Set: RGN4158
Rings Included: Yes
Oil Rail Spacer: ORS-412
Pin Type: 5115 Straight Wall
Pin Diameter: .927
Pin Length: 2.300
Pin Wall: .150
Pin Weight: 107
Block Height: 9.240
NOTE: (1) Forged from high strength 2618-T61 aluminum with forged side reliefs with internal and external bracing (2) Optional Pin Upgrade Available (3) Optional Lateral or Vertical Gas Porting Available