Honda CRF 450R GP4R Pro Camshaft + Valve Spring Kit (2021-2026)
CRF450R GP4R PRO BILLET HONDA CAM 2025 2024 2023 2022 2021
HON-CRF-450-GP4-21B
GP4R Pro Billet Camshaft with DCR Valve Spring Kit for Honda CRF450R 2021-2026
*Not Compatibe With OEM Valve Springs* / WILL NOT FIT OEM PISTON !
*Not Compatibe With OEM Valve Springs* / WILL NOT FIT OEM PISTON !
Availability: 3-7 DAYS TO SHIP
Pricing:
$1,298.00
Description
2027 SPEC - increased flank velocitys with 5" wheel finish grind
8620 billet core made in usa
322 @. 006" intake advertised duration
319 @.006" exhaust advertised duration
intake cam lift .394" / 272 duration / .460" valve lift
exhaust cam lift .250 / 240 duration .455" valve lift
valve settings .009 " int .014" exhaust
*Requires DCR Valve Springs
*ecu tuning recommended
*wossner race piston - 14.5 or 14.2 compression recomended for extra valve pocket depth for the gp4r camshafts extra exhaust lift
8620 billet core made in usa
322 @. 006" intake advertised duration
319 @.006" exhaust advertised duration
intake cam lift .394" / 272 duration / .460" valve lift
exhaust cam lift .250 / 240 duration .455" valve lift
valve settings .009 " int .014" exhaust
*Requires DCR Valve Springs
*ecu tuning recommended
*wossner race piston - 14.5 or 14.2 compression recomended for extra valve pocket depth for the gp4r camshafts extra exhaust lift
Details
- HON-CRF-450-GP4-21B
- HON-CRF-450-GP4-21B
- 3-7 DAYS TO SHIP
- New
Shipping Information
- Item Requires Shipping
- 1.0 lbs.
- W6.0000” x H4.0000” x L4.0000”
- Free Shipping!
- This item ships in its own box.
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