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Pro TSX
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| Application |
Acura TSX (RBB Casting)
Also fits all other Honda K-Series castings.
This port was specifically designed for the smaller TSX port. It is a high flowing, small volume port with high air speed. |
| Recommended Use |
- All Motor Street and Race Engines
- Road Race
- Turbo and Supercharged
- Suitable for all out 2.0-2.4L Road Race engines with high hp in mind
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| Features and Benefits |
- The RBB TSX heads have the smallest port and least material available for machining when compared to the other K-Series castings. This port was designed to fit in this casting, and takes a mediocre 275cfm cylinder head and transforms it into a 340+cfm race winner!
- Utilizes a 4 Piston 50 degree 37mm valve which flows better and weighs 7 grams less per valve than other 37s on the market.
- Slow-cut precision porting by Weld Tech, the people who invented CNC head porting.
- Unique power producing exhaust port design.
- Intake port features a laid out short turn for superior air speed around the valve when compared to conventional tall short turn port designs.
- Full length bronze manganese valve guide for valve stability.
- 360 cfm (Pro 163 out flows this port if you are going for all out all motor horsepower)
- Our heads are all shipped with installation tips, a sheet of desired clearances for setting up your engine, and a flow chart from your head.
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| Intake Runner Volume |
152cc |
| Intake Valve Size |
35mm |
| Exhaust Valve Size |
30mm |
**Core Required
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Pro TSX CNC Cylinder Head
-CNC Ported intake and exhaust ports
-Original guides left in for porting
-Racing Valve Job
-Resurface
-NO VALVES |
$1150 |
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Pro TSX CNC Cylinder Head
-CNC Ported intake and exhaust ports
-Manganese Bronze Valve Guides (16)
-Racing Valve Job
-Resurface
-NO VALVES |
$1400 |
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| Add Valves (Ferrea, Supertech, or REV) |
$240 |
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Open Combustion Chamber with CNC up to 90mm bore
Only recommended if you have trouble with piston clearance. Remember this will add volume to the chamber and lower compression.
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$150 |
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| Porting and head package prices assume a disassembled and clean cylinder head. Refer to pricing below if you need your cylinder head disassembled, cleaned, and reassembled |
Disassemble |
$50 |
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| Hot Tank and Soda Blast |
$50 |
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| Assemble |
$50 |
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Ship Heads to:
4 Piston Racing
1298 E. US Hwy 136, Suite B
Pittsboro, IN 46167
Please include any special instructions and contact information. You may also send a check for payment, or it can be taken care of with a credit card or PayPal. |
Photos and Flow Charts will be posted soon. The head flows just over 340 cfm @ .600"
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