PXR Inline 12 Degree Race 4.125"+ Bore

•  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

P/N 510-210

 

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



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Mast Motorsports : High Performance Powertrain Solutions
To order or for more info (936) 560-2218 or info@mastmotorsports.com