Whats Included: Complete Set Of Pistons, Locks, 5115 Series Straight Wall Pins & Oil Rail Spacers (As Required)
Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Not Recommended For Turbo Applications
[Please Note]: Image is a representation of this item. Actual item may vary.
Piston Top Type: Flat Top
Bore: 4.375
Stroke: 4.150
Rod Length: 6.768
Compression Height: 1.120
Compression Ratio (64): 13.40
Compression Ratio (75): 12.00
Compression Ratio (86): 10.80
Dome Volume: -3.50
Dome Height: Flat Top
Gram Weight: 496
Rings: 1/16 1/16 3/16
Ring Set: TOT-CR9190
Rings Included: No
Oil Rail Spacer: ORS-437
Pins: 5115 Straight Wall
Pin Diameter: .990
Pin Length: 2.930
Pin Wall: .150
Pin Weight: 146 Grams
Pin Buttons: Not Included
Block Height: 9.980
Top Land: .250
Second Land: .157
Third Land: .078
Deck Thickness: .280
Intake Cutter: 2.300
Exhaust Cutter: 2.000
Intake Depth: .220
Exhaust Depth: .200
Note: (1) You can reduce the 1.094 rod pin holes to .900 diameter (Chevrolet pin diamteter) with Ross Rod Bushing Part# B1098 (2) Includes Oil Support Rails
