The CP Bullet Race Series is a forged aluminum piston set for the Chevrolet LS7, sized at 4.135 inch bore (0.010 inch over) with a 4.125 inch stroke and 6.125 inch rod. The flat-top crown produces about 11.6:1 compression with 70cc heads, and each set of eight includes a 1.5mm, 1.5mm and 3.0mm ring pack plus chromoly wrist pins with wire locks. This set is built to order.
| Type | Forged pistons (Bullet Race Series) |
| Engine | Chevrolet LS7 |
| Bore | 4.135 in |
| Size | +0.010 in oversize |
| Stroke | 4.125 in |
| Rod Length | 6.125 in |
| Compression | ~11.6:1 (flat-top, 70cc heads) |
| Ring Pack | 1.5mm / 1.5mm / 3.0mm (included) |
| Wrist Pins | Chromoly with wire locks (included) |
| Quantity | Set of 8 |
| Availability | Made to order (non-cancel) |
| Part Number | BLS1205-010 |
Shipping: In-stock orders placed before 4 PM EST ship the same day, with standard, expedited, and overnight options available at checkout. Backordered items ship as soon as our distributor restocks — contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
