CP Bullet Race Series forged pistons are machined from 2618 aluminum forgings for the Chevy LS7 with 12° cylinder heads. This set carries a 4.130 in bore, 4.125 in stroke, 6.125 in rod length, 1.055 in compression height, and a +5cc dome, giving roughly 13.3:1 compression with 66.5cc chambers and supporting high-boost, nitrous, and naturally aspirated race builds. Sold as a complete set of eight.
| Type | Bullet Race Series forged piston set, LS7 12° heads |
| Material | 2618 forged aluminum |
| Bore | 4.130 in |
| Stroke | 4.125 in |
| Rod Length | 6.125 in |
| Compression Height | 1.055 in |
| Dome | +5cc |
| Compression Ratio | ~13.3:1 (with 66.5cc chambers) |
| Quantity | Set of 8 |
| Part Number | BLSR1201-005 |
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Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
