Cylinder Head Service Kit, 0.380" Lift, Yamaha®, Various 450cc, 2003-2023
Cylinder Head Service Kit, 0.380" Lift, Yamaha®, Various 450cc, 2003-2023
SKU:80-82060
Regular price
$567.30 USD
Regular price
$567.30 USD
Sale price
$567.30 USD
Unit price
per
Couldn't load pickup availability
Yamaha® YFZ™ 450R 2009-2023
Yamaha® WR™ 450 2007-2015
Yamaha® YZ™ 450F 2003-2009
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 0.445" Valve Lift
- Top End Gasket Kit by Cometic
- KPMI® C674 Bronze Standard Valve Guides
- KPMI® S.S. 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 |
| Valve Lift | 0.380" |
| Installed Height | 1.105" |
| Seat Pressure | 39# |
| Open Pressure | 86# |
| Intake @ Lift | 0.380" |
| Valve Type |
Intake/ Exhaust |
| Valve Material | White Diamond® Stainless |
| Coating | Hard Chrome |
| Intake Head Diameter | 27.00mm/ 1.063" |
| Intake Stem Diameter | 4.5mm/ 0.1765" |
| Intake Tulip | 15º |
| Intake Overall Length | Intake (Outer)- 3.040" Intake (Center)- 3.000" |
| Exhaust Head Diameter | 28.00mm/ 1.102" |
| Exhaust Stem Diameter | 5.0mm/ 0.1956" |
| Exhaust Tulip | 20º |
| Exhaust Overall Length | 2.955" |
| Remarks | Standard |
| Guide Type | Intake/ Exhaust |
| Guide Material | C674 Bronze |
| Reference | See Figure 1 |
| Intake Outside Dia.: (G) | 0.3957" / Std. |
| Intake (A) | 0.350" |
| Intake (B) | 0.385" |
| Intake (C) | 0.480" |
| Intake (D) | 0.680" |
| Intake (E) | 0.430" |
| Intake (F) | 0.1768" |
| Exhaust Outside Dia.: (G) | 0.3957" / Std. |
| Exhaust (A) | 0.350" |
| Exhaust (B) | 0.385" |
| Exhaust (C) | 0.510" |
| Exhaust (D) | 0.680" |
| Exhaust (E) | 0.430" |
| Exhaust (F) | 0.1961" |
| Unique Identifier No. | FR327789_01GAUSt |
