Limited Time SaleUS$257.98 cheaper than the new price!!
| Management number | 215424702 | Release Date | 2026/04/12 | List Price | US$171.99 | Model Number | 215424702 | ||
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Technical Specs:Alloy: Hypereutectic 390Bore: 4.030''Crankshaft Stroke: 3.500''Connecting Rod Length: 5.778''Deck Height: 9.206''Compression Height: 1.670''Pin Size: 0.9122''Pin Location: CenteredFlat Top: -2cc 1VIntake Valve Relief: 0.148'' Depth / 2.470'' Diameter Exhaust Valve Relief: N/A Top Landing Height: 0.301''Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom Gram Weight: 582/143Compression Ratio: 11.1:1 w/62cc Heads; 10.6:1 w/66cc Heads; 9.5:1 w/76cc HeadsFor 1971-up blocks. Pre-1971 blocks .020'' shorter, not enough stock to clean up.
| Brand | KB Performance Pistons |
|---|---|
| Model | KB177.030 |
| Exterior | Machined |
| Item Weight | 13.14 pounds |
| Manufacturer | KB Performance Pistons |
| OEM Part Number | KB177.030 |
| Item model number | KB177.030 |
| Product Dimensions | 18.1 x 9.2 x 3.7 inches |
| Manufacturer Part Number | KB177030 |
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