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Psa Group Tu5j4-Tu5jp4


  • CNC Ported/Machined finish port

  • Hand blended finish work

  • Formula technology design 100%100

  • Intake 266 cfm, increased flow 

  • Exhaust 199 cfm, increased flow

  • 4-angle Valve job

  • Valves are lapped

  • Heads are Ultra Sonic cleaned prior to assembly

  • Machined PPR logo

  • Special bronze alloy valve guides


Prices:1300 usd

Extra your choices;

  • C.chamber cnc porting and hand finish:Plus+ 200 usd

  • Titanium c. valves:Plus+ 496 usd

  • Titanium valves:Plus+ 880 usd

  • Nimonic valves:368 usd

  • Valve springs and retainers:480 usd

  • Valves size selection:Free

For order and

Tu5j4 cnc porting
tu5jp4 head porting
Cnc porting
Tu5jp4 cnc porting head
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