Chevrolet: 400 Small Block 23 Degree (Heavy Duty): – Flat Top: 1.433 C/H – 4.125 Bore – -4CC – #97755
petrinidesign@gmail.com2024-11-01T13:07:04+00:00Application: Recommended for Applications Using Nitrous (Up To 250HP Shot) / Boost (Up To 8LBS)
[Please Note]: [Please Note]: Image is a representation of this item. Actual item may vary.
Piston Top Type: Flat Top
Bore: 4.125
Stroke: 3.75
Rod Length: 5.7
Compression Height: 1.433
Compression Ratio (57):
Dome Volume: -4
Gram Weight: 496
Rings: 1/16 1/16 3/16
Ring Set: N/A
Rings Included: NO
Pin Type: 5115 Straight Wall
Pin Diameter: 0.927
Pin Length: 2.5
Pin Wall: 0.15
Pin Weight: 118 Grams
Block Height: 9.025
Optional Upgrade: (1) Piston Rings Sold Separately. (2) Compression Ratio based on .050 piston to head clearance (deck & gasket combined).