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VTP Cylinder Head Porting
VTP offers head porting in 4 different packages. Each package includes:
- Disassemble & bead blast heads
- Re-conture ports, manifold, and radius valve seats
- Re-machine guides and Sunnen hone to fit
- Finish with SEDRI valve job,.5 angle intake seat & fully radiused exaust seat
- Flowtested on our Superflow 110 flowbench and come with flowchart of your heads (Our heads are tested thru a manifold NOT a velocity stack stuck on the intake port, like some other ported heads. This gives inflated and inaccurate flow #'s)
Evolution & Twin Cam Heads
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SERDI competition valve job, open & blend seats for 1.900 intake & 1.625 exhaust valves, conture bowls and finish with a fully radiused cut on both seats (includes 1.900/1.625 valves). Flows 140/115 @ 10" |
$299.00 |
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| Stage I: |
Porting and flowing of heads, taper and replace valve guides, retain stock valves, 5 angle valve job. 135 CFM |
$595.00 |
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| Stage II: |
Same as I with the addition of opening up ports. 1.900 intake and 1.630 exhaust valves. 155-165 CFM |
$695.00 |
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| Stage III: |
Same as I and II with the addition of replacing intake seats with over-size units. 1.940 intake and 1.630 exhaust.
set up for big manifold. 175-190 CFM |
$995.00 |
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| Stage IV: |
All out Pro-Gas, Pro-Stock heads. Big manifold. 2.200 intake and 1.750 exhaust. STD castings. VTP .850 lift
springs. 240-270 CFM |
$1950.00 |
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