Description
- Base Number: 1412
- Bore (in): 3.875
- Bore (MM): 98.4
- Bore Diameter: 3.875 IN
- Compression Height: 1.779 IN
- Compression Ratio: 8.3
- Crown (cc): +3cc
- Crown Type: FLAT TOP
- Eng. Disp Liters: 4.6
- Eng. Disp. In.: 283
- Engine Family: Chevy Small Block Gen I
- Engine Manufacturer: GM
- Includes Ring Set: 3875AM8.040
- OE Assembly: 3739886, 3840148 , 3860407
- Oil Ring Thickness: 0.1875 IN
- Oversize: 0.04
- Oversized: Yes
- Oversizes: STD .020 .030 .040 .060 .080
- Pin Configuration: Offset
- Pin Number: 0927x300A
- Pin Type: Press
- Piston Head Type: Flat
- Piston Material: Cast 332 Alloy
- Piston Pin Outside Diameter: 0.927 IN
- Piston Rings Included: Yes
- Ring Pack: 5/64, 5/64, 3/16
- Second Compression Ring Thickness: 0.0781 IN
- Sold As: Sold as a set, priced per piece
- Top Compression Ring Thickness: 0.0781 IN
- Top Land: 0.23
- Year From: 1957
- Year Range: 1957-1970
- Year To: 1970
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