Honda TRX 300 EX Fourtrax (93-09) SOHC 4v
** Prices And Specifications Effective May 2012, And Are Subject To Change Without Notice. **
When a core is required for an item, the core charge will automatically be added to your cart when you add the item. You must return your re-workable OEM core within 180 days of purchase in order to receive a core refund. If we do not offer a core for your application, you need to call us first, and send your core in to be reground / hardwelded.
We use PayPal for payment processing so you know your transaction is safe and secure.
You do NOT need a PayPal account to shop with us, you can use your credit card. You may also call us to order any of the listed items.
All in stock orders placed on-line Monday - Friday before 3:00pm Pacific, will ship the same day.
Please be sure to read our Ordering Policies.
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Camshaft Profiles: |
VALVE LIFT |
DURATION |
DURATION @ 0.050" |
GRIND NUMBER |
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PART NUMBERS |
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.310/.310 |
266°/266° |
242°/242° |
245 |
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Regrind
N/A
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Bolt in profile increases overall performance throughout RPM range. Requires Hardwelded Rockers. |
Hardweld
55-571
$142.00 + core |
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New Cam
N/A
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.320/.320 |
270°/270° |
246°/246° |
236 |
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Regrind
N/A
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Improved mid and upper end performance. Requires Performance Valve Spring Kit, Exhaust System, and Hardwelded Rockers. |
Hardweld
55-581
$142.00 + core |
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New Cam
N/A
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.335/.335 |
280°/280° |
254°/254° |
254 |
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Regrind
N/A
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Strong mid and upper end performance for racing engines. Requires Performance Valve Spring Kit, Carburetors, Exhaust System, and Hardwelded Rockers. |
Hardweld
55-591
$142.00 + core |
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New Cam
N/A
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.360/.360 |
294°/294° |
264°/264° |
240 |
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Regrind
N/A
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Special racing profile. Requires Performance Valve Spring Kit, Shortened Valve Guides, Exhaust System, High Compression Piston, Carburetors, and Hardwelded Rockers. |
Hardweld
55-901
$142.00 + core |
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New Cam
N/A
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Other Products: |
Cam Core |
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CC-H14
$103.00 |
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Please specify year and model when ordering. Price (Each). |
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Rocker Arm Hardwelded |
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HR-H01
$65.00 + core |
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We will hardweld and precision grind your worn out / new rockers for a longer wearing surface. Recommended with ALL profiles. Price (Each). |
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Rocker Arm, Core |
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RC-H14
$55.00 |
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Please specify year and model when ordering. Price (Each). |
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Valve Spring Kit With Titanium Retainers |
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VC-H24
$125.00 |
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Kit includes performance dual springs and Titanium retainers. OK to .470 valve lift. Check ALL clearances! Price Per Set (4). |
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Valves, Stainless Intake Standard Size |
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IV-H09
$36.00 |
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Standard size 25.50 mm. Price (Each). |
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Valves, Stainless Intake Oversized +1 mm |
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OV-H09
$38.00 |
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Oversized to 26.50 mm. Price (Each). |
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Valves, Stainless Exhaust Standard Size |
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EV-H10
$36.00 |
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Standard size 22.50 mm. Price (Each). |
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Valve Guide, Shortened .050" Standard Size |
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VG-H14
$25.00 |
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Made from special C630 Bronze material for longer wear. Standard size. Adds additional retainer to guide seal clearance. Custom sizes available +.001, +.002, +.004, +.010. Fits intake and exhaust. Can be used for cam profiles up to .380 valve lift. Price (Each). |
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Installation Information: |
LINK |
Degreeing In Your Camshaft |
PDF |
JPG |
General Valve Spring Information |
PDF |
JPG |
Valve Spring Installed Height Information |
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