Description
- Base Number: 1177HC
- Bore (in): 4
- Bore (MM): 101.6
- Bore Diameter: 4 IN
- Compression Height: 1.585 IN
- Compression Ratio: 51cc=9.7:1/54cc=9.3:1/58cc=8.8:1/64cc=8.3:1/69cc=7.8:1
- Crown (cc): +3cc
- Crown Type: FLAT TOP
- Eng. Disp Liters: 4.7/5.0
- Eng. Disp. In.: 289/302
- Engine Family: Ford Small Block Windsor
- Engine Manufacturer: Ford
- Includes Ring Set: 4000AM8.030
- OE Assembly: D9AZ6108A
- Oil Ring Thickness: 3 MM
- Oversize: 0.03
- Oversized: Yes
- Oversizes: STD .020 .030 .040 .060
- Pin Configuration: Offset
- Pin Number: 0912x301A
- Pin Type: Press
- Piston Head Type: Flat
- Piston Material: Cast 390 Hypereutectic Alloy
- Piston Pin Outside Diameter: 0.912 IN
- Ring Pack: 5/64, 5/64, 3/16
- Second Compression Ring Thickness: 1.2 MM
- Sold As: Piston Kit w/ Rings
- Top Compression Ring Thickness: 1.2 MM
- Top Land: 0.245
- Year From: 1977
- Year Range: 1977-1986
- Year To: 1986






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