Cylinder Head Service Kit, 0.440" In and 0.405" Ex Lift, Honda®, CRF™ 450R / RX / WE, 2019-2020
Cylinder Head Service Kit, 0.440" In and 0.405" Ex Lift, Honda®, CRF™ 450R / RX / WE, 2019-2020
SKU:30-33470
Regular price
$513.75 USD
Regular price
$513.75 USD
Sale price
$513.75 USD
Unit price
per
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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 Intake 0.440" Valve Lift, Exhaust 0.405" Valve Lift
- Top End Gasket Kit by Cometic
- KPMI® C630 Bronze Standard Valve Guides
- KPMI® S.S. and Inconel® White 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 | 1.340" |
| Intake Seat Pressure | 50# |
| Intake Open Pressure | 162# |
| Intake @ Lift | 0.440" |
| Exhaust Valve Lift | 0.405" |
| Exhaust Installed Height | 1.360" |
| Exhaust Seat Pressure | 90# |
| Exhaust Open Pressure | 220# |
| Exhaust @ Lift | 0.405" |
| Valve Type |
Intake/ Exhaust |
| Valve Material | Intake- White Diamond® Stainless Exhaust- White Diamond® Inconel® |
| Coating | Hard Chrome |
| Intake Head Diameter | 38.00mm/ 1.496" |
| Intake Stem Diameter | 5.0mm/ 0.1960" |
| Intake Tulip | 20º |
| Intake Overall Length | 3.080" |
| Exhaust Head Diameter | 31.00mm/ 1.220" |
| Exhaust Stem Diameter | 5.0mm/ 0.1955" |
| Exhaust Tulip | 23º |
| Exhaust Overall Length | 3.165" |
| Remarks | Standard |
| Guide Type | Intake/ Exhaust |
| Guide Material | C630 Bronze |
| Reference | See Figure 1 |
| Intake Outside Dia.: (G) | 0.4360" / Std. |
| Intake (A) | 0.535" |
| Intake (B) | 0.535" |
| Intake (C) | 0.590" |
| Intake (D) | 0.670" |
| Intake (E) | 0.433" |
| Intake (F) | 0.1960" |
| Exhaust Outside Dia.: (G) | 0.4360" / Std. |
| Exhaust (A) | 0.630" |
| Exhaust (B) | 0.630" |
| Exhaust (C) | 0.730" |
| Exhaust (D) | 0.870" |
| Exhaust (E) | 0.433" |
| Exhaust (F) | 0.1955" |
| Unique Identifier No. | FR327789_01GAUSt |
