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LS1 295cc 4.125"+ | Single CNC Cylinder Head
LS1 295cc 4.125"+ | Single CNC Cylinder Head
LS1 295cc 4.125"+ | Single CNC Cylinder Head
$ 1,425.00

LS1 295cc 4.125"+ | Single CNC Cylinder Head

+

Only left in stock

It's too big they say....Mast has a different view!  When paired with a large displacement engine our LS1 295 heads are a force to be reckoned with.  Designed for all-out performance and power this head really is a beast flowing 412 cfm!!!  We have customers running their best times after ditching the competitions 245cc heads and stepping up to these BIG boys.  In fact, one customer reported that he gained 7 tenths in the 1/8th mile by switching to the Mast 295 heads from a 245 on his 427, making NO other changes!  Now that is a serious upgrade.


  • 2.250" Intake Valve Diameter
  • 1.600" Exhaust Valve Diameter
  • 70cc Combustion Chamber
  • 45 Degree Seat Angles
  • 5.450" Valve Length Recommended for Hydraulic Applications
  • Use's Factory LS7 Rocker Arms with our Billet Stands or Jesel/T&D Shaft Rockers
Lift Intake Exhaust
0.100 73.5 54.0
0.200 144.0 108.0
0.300 224.0 150.0
0.400 291.0 195.0
0.500 344.0 226.0
0.600 380.5 242.0
0.650 393.0 247.0
0.700 404.0 251.0
0.750 410.5 257.0
0.800 412.0 261.0
0.850 389.0 264.0
0.900 383.0 267.0