HONDA
CRF450X 2007-17
TOP END SERVICE KIT
Cylinder Head Service Kit, 0.440″ Lift, Honda®, CRF™ 450X, 2005-2017 # 30-33450
$679.90
Available on back-order
Available on back-order
Description
KPMI® is proud to introduce full CYLINDER HEAD SERVICE KITS. These kits contain all items to completely refresh and upgrade cylinder heads for popular Dirt / MX and Side x Side models with KPMI’s top quality racing valvetrain components.
Features:
• Save time money on your next cylinder head rebuild
• One package, everything you need for factory recommended valvetrain service
• Double your service life over OEM using KPMI® Valvetrain products
• Kitted with value added savings
Kit Includes:
• Dual Spring Titanium Retainer Spring Kit, Which Allows for 0.440″ Valve Lift
• Top End Gasket Kit by Cometic
• KPMI® C674 Bronze Standard Valve Guides
• KPMI® S.S. Black Diamond™ Valves, Stock Head Dia.
The product image may not be accurate on the page. Please refer to the description and specifications before purchasing.
| Installation Instructions | Click Here |
| Type | Intake / Exhaust |
| Retainer Material | Titanium |
| Intake Valve Lift | 0.440″ |
| Intake Installed Height | 1.215″ |
| Intake Seat Pressure | 40# |
| Intake Open Pressure | 147# |
| Intake @ Lift | 0.440″ |
| Exhaust Valve Lift | 0.440″ |
| Exhaust Installed Height | 1.365″ |
| Exhaust Seat Pressure | 70# |
| Exhaust Open Pressure | 203# |
| Exhaust @ Lift | 0.440″ |
| Valve Type | Intake / Exhaust |
| Valve Material | Black Diamond™ Stainless |
| Coating | Black Nitroneg |
| Intake Head Diameter | 35.00mm / 1.378″ |
| Intake Stem Diameter | 0.2158″ |
| Intake Tulip | 20º |
| Intake Overall Length | 3.315″ |
| Exhaust Head Diameter | 30.00mm / 1.181″ |
| Exhaust Stem Diameter | 0.1957″ |
| Exhaust Tulip | 20º |
| Exhaust Overall Length | 3.310″ |
| Remarks | Standard |
| Guide Type | Intake / Exhaust |
| Guide Material | C674 Bronze |
| Reference | See Figure 1 |
| Intake Outside Dia.: (G) | 0.4360″ / Std. |
| Intake (A) | 0.495″ |
| Intake (B) | 0.520″ |
| Intake (C) | 0.650″ |
| Intake (D) | 0.760″ |
| Intake (E) | 0.480″ |
| Intake (F) | 0.2155″ |
| Exhaust Outside Dia.: (G) | 0.4360″ / Std. |
| Exhaust (A) | 0.580″ |
| Exhaust (B) | 0.605″ |
| Exhaust (C) | 0.740″ |
| Exhaust (D) | 0.890″ |
| Exhaust (E) | 0.480″ |
| Exhaust (F) | 0.1955″ |
Additional information
| Weight | 1.5 kg |
|---|---|
| Dimensions | 25 × 25 × 8 cm |
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