MAST PXR Inline 12 Degree Race 4.125"+ Bore
$2,950.00
• Intake & exhaust valve are splayed 3 degrees
• Milled rocker mounts for TRD, Jesel & Mast rockers
• Designed for any Gen III / Gen IV small block with 4.125" bore or larger
• The 6-bolt design is compatible with GM LSX. RHS & World LSX blocks
• Raised runner racing intake port design
• Mast 2-piece CNC racing intake manifold & cast racing valve covers available
• Uses a 2.200" intake valve and 1.600" exhaust valve
• Has a 290cc intake port
**Priced Each
SKU
MAST510-210
• Intake & exhaust valve are splayed 3 degrees
• Milled rocker mounts for TRD, Jesel & Mast rockers
• Designed for any Gen III / Gen IV small block with 4.125" bore or larger
• The 6-bolt design is compatible with GM LSX. RHS & World LSX blocks
• Raised runner racing intake port design
• Mast 2-piece CNC racing intake manifold & cast racing valve covers available
• Uses a 2.200" intake valve and 1.600" exhaust valve
• Has a 290cc intake port
| Flow Data w/4.125" Bore Plate | ||
| Lift | Intake | Exhaust |
| 0.100 | 67 | 56 |
| 0.200 | 139 | 105 |
| 0.300 | 225 | 155 |
| 0.400 | 278 | 195 |
| 0.500 | 336 | 220 |
| 0.600 | 382 | 235 |
| 0.700 | 391 | 244 |
| 0.800 | 403 | 252 |
| 0.900 | 415 | 258 |
| 0.950 | 412 | 259 |
| SKU | MAST510-210 |
|---|---|
| Manufacturer | Mast Motorsports |
| Application Guide | All GenIII powered GM Vehicles |
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