Whats Included: Complete Set Of Pistons, Locks, Pins & Oil Rail Spacers (As Required)
Application: Not Recommended For Nitrous or Turbo Applications
[Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Flat Top
Bore: 4.145
Stroke: 3.875
Rod Length: 6.000
Compression Height: 1.062
Compression Ratio (58): 12.79
Compression Ratio (64): 11.89
Compression Ratio (76): 10.45
Dome Volume: -4.40
Gram Weight: N/A
Rings: 1.2 1.2 3.0
Ring Set: RGN4147
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 Grams
Block Height: 9.000
Note: (1) Forged from High Strength 2618-T61 Aluminum. (2) Dedicated left and right forged side relief forgings with internal and external bracing (3) Optional Pin Upgrade Available (4) Optional Lateral or Vertical Gas Porting Available