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CP Bullet Race LS7 Pistons (12° Heads)
$1,915.00
CP Bullet Race Series Pistons
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Suit Chevrolet LS7 (fits 12° heads)
| Part Number | Bore | Stroke | Rod | Comp Height | Head Type | Head CC | Dome Height | Dish / Dome | C/R | Pin Dia | VR Depths | Type | VR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BLSR1200-005 | 4.130 | 4.000 | 6.125 | 1.115 | LS7 | 67.5 | .175 | +5cc | 12.9:1 | .927 x 2.250 | .220 / SP | Dome | 2 VR's |
| BLSR1200-010 | 4.135 | 4.000 | 6.125 | 1.115 | LS7 | 67.5 | .175 | +5cc | 12.9:1 | .927 x 2.250 | .220 / SP | Dome | 2 VR's |
| BLSR1200-030 | 4.155 | 4.000 | 6.125 | 1.115 | LS7 | 67.5 | .175 | +5cc | 13.0:1 | .927 x 2.250 | .220 / SP | Dome | 2 VR's |
| BLSR1200-STD | 4.125 | 4.000 | 6.125 | 1.115 | LS7 | 67.5 | .175 | +5cc | 12.9:1 | .927 x 2.250 | .220 / SP | Dome | 2 VR's |
| BLSR1201-005 | 4.130 | 4.125 | 6.125 | 1.055 | LS7 | 66.5 | .175 | +5cc | 13.3:1 | .927 x 2.250 | .220 / SP | Dome | 2 VR's |
| BLSR1201-010 | 4.135 | 4.125 | 6.125 | 1.055 | LS7 | 66.5 | .175 | +5cc | 13.4:1 | .927 x 2.250 | .220 / SP | Dome | 2 VR's |
| BLSR1201-030 | 4.155 | 4.125 | 6.125 | 1.055 | LS7 | 66.5 | .175 | +5cc | 13.5:1 | .927 x 2.250 | .220 / SP | Dome | 2 VR's |
| BLSR1201-STD | 4.125 | 4.125 | 6.125 | 1.055 | LS7 | 66.5 | .175 | +5cc | 13.3:1 | .927 x 2.250 | .220 / SP | Dome | 2 VR's |
| BLSR1203-005 | 4.130 | 4.000 | 6.125 | 1.115 | LS7 | 70.0 | .163 | -25cc | 9.0:1 | .927 x 2.250 | .220 / SP | Dish | 2 VR's |
| BLSR1203-010 | 4.135 | 4.000 | 6.125 | 1.115 | LS7 | 70.0 | .163 | -25cc | 9.2:1 | .927 x 2.250 | .220 / SP | Dish | 2 VR's |
| BLSR1203-030 | 4.155 | 4.000 | 6.125 | 1.115 | LS7 | 70.0 | .163 | -25cc | 9.3:1 | .927 x 2.250 | .220 / SP | Dish | 2 VR's |
| BLSR1203-STD | 4.125 | 4.000 | 6.125 | 1.115 | LS7 | 70.0 | .163 | -25cc | 9.0:1 | .927 x 2.250 | .220 / SP | Dish | 2 VR's |
| BLSR1204-005 | 4.130 | 4.000 | 6.125 | 1.120 | LS7 | 70.0 | FT | -4.6cc | 11.2:1 | .927 x 2.250 | .220 / .161 | FT | 2 VR's |
| BLSR1204-010 | 4.135 | 4.000 | 6.125 | 1.120 | LS7 | 70.0 | FT | -4.6cc | 11.2:1 | .927 x 2.250 | .220 / .161 | FT | 2 VR's |
| BLSR1204-030 | 4.155 | 4.000 | 6.125 | 1.120 | LS7 | 70.0 | FT | -4.6cc | 11.3:1 | .927 x 2.250 | .220 / .161 | FT | 2 VR's |
| BLSR1204-STD | 4.125 | 4.000 | 6.125 | 1.120 | LS7 | 70.0 | FT | -4.6cc | 11.2:1 | .927 x 2.250 | .220 / .161 | FT | 2 VR's |
| BLSR1205-005 | 4.130 | 4.125 | 6.125 | 1.055 | LS7 | 70.0 | FT | -4.6cc | 11.4:1 | .927 x 2.250 | .220 / .161 | FT | 2 VR's |
| BLSR1205-010 | 4.135 | 4.125 | 6.125 | 1.055 | LS7 | 70.0 | FT | -4.6cc | 11.5:1 | .927 x 2.250 | .220 / .161 | FT | 2 VR's |
| BLSR1205-030 | 4.155 | 4.125 | 6.125 | 1.055 | LS7 | 70.0 | FT | -4.6cc | 11.6:1 | .927 x 2.250 | .220 / .161 | FT | 2 VR's |
| BLSR1205-STD | 4.125 | 4.125 | 6.125 | 1.055 | LS7 | 70.0 | FT | -4.6cc | 11.4:1 | .927 x 2.250 | .220 / .161 | FT | 2 VR's |
Features Included:
- Pistons manufactured from 2618 alloy for strength and durability
- Balanced to + or – 1 gram
- Dual forced pin oilers
- Contact reduction grooves
- Accumulator Grooves
- Contemporary ring set included (Comes standard with 1.5mm x 1.5mm x 3.0mm ring pack that consists of High-grade Steel Gas Nitrided barrel faced tops with Taper Hook Groove Napier second rings and a 3-piece soft nitrided rail flex vent oils, specially designed for severe duty applications such as nitrous blowers and turbo engines.)
- Forged side relief
- Chromoly wrist pins with wire locks
- FEA designed forging
- Tight tolerances
- USA made
Available options
- Piston Options: Part#: BLSR1200-005 / Bore: 4.130 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.115 / C/R: 12.9:1; Part#: BLSR1200-010 / Bore: 4.135 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.115 / C/R: 12.9:1; Part#: BLSR1200-030 / Bore: 4.155 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.115 / C/R: 13.0:1; Part#: BLSR1200-STD / Bore: 4.125 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.115 / C/R: 12.9:1; Part#: BLSR1201-005 / Bore: 4.130 / Stroke: 4.125 / Rod: 6.125 / Comp Height: 1.055 / C/R: 13.3:1; Part#: BLSR1201-010 / Bore: 4.135 / Stroke: 4.125 / Rod: 6.125 / Comp Height: 1.055 / C/R: 13.4:1; Part#: BLSR1201-030 / Bore: 4.155 / Stroke: 4.125 / Rod: 6.125 / Comp Height: 1.055 / C/R: 13.5:1; Part#: BLSR1201-STD / Bore: 4.125 / Stroke: 4.125 / Rod: 6.125 / Comp Height: 1.055 / C/R: 13.3:1; Part#: BLSR1203-005 / Bore: 4.130 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.115 / C/R: 9.0:1; Part#: BLSR1203-010 / Bore: 4.135 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.115 / C/R: 9.2:1; Part#: BLSR1203-030 / Bore: 4.155 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.115 / C/R: 9.3:1; Part#: BLSR1203-STD / Bore: 4.125 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.115 / C/R: 9.0:1; Part#: BLSR1204-005 / Bore: 4.130 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.120 / C/R: 11.2:1; Part#: BLSR1204-010 / Bore: 4.135 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.120 / C/R: 11.2:1; Part#: BLSR1204-030 / Bore: 4.155 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.120 / C/R: 11.3:1; Part#: BLSR1204-STD / Bore: 4.125 / Stroke: 4.000 / Rod: 6.125 / Comp Height: 1.120 / C/R: 11.2:1; Part#: BLSR1205-005 / Bore: 4.130 / Stroke: 4.125 / Rod: 6.125 / Comp Height: 1.055 / C/R: 11.4:1; Part#: BLSR1205-010 / Bore: 4.135 / Stroke: 4.125 / Rod: 6.125 / Comp Height: 1.055 / C/R: 11.5:1; Part#: BLSR1205-030 / Bore: 4.155 / Stroke: 4.125 / Rod: 6.125 / Comp Height: 1.055 / C/R: 11.6:1; Part#: BLSR1205-STD / Bore: 4.125 / Stroke: 4.125 / Rod: 6.125 / Comp Height: 1.055 / C/R: 11.4:1
- Pin Upgrades: No Pin Upgrade; 0.200" 9310 Pins; 0.240" 9310 Pins
Engine build fitment
GM / LS. Match the selected dimensions, engine generation and rotating assembly specification before machining or assembly.
Installation and BBT workshop support
Confirm finished bore size, piston-to-wall clearance, compression height, pin specification, ring gaps and valve clearance against the supplied piston documentation.
Built by Boost & Tune is an authorised Spool Imports dealer and can assist with component selection, engine assembly and tuning requirements for your build.