06+ Yamaha Raptor 700 Valve Spring Information.

There are many valve springs available for the Raptor 700 engines. These Valve Springs cover a wide range of applications and needs.

OEM Valve Springs: 

We do not recommend using stock valve springs in any engine as a precaution. Stock valve springs may work with in some applications such as stock cams and some aftermarket cams. But as a general rule, we do not recommend using stock valve springs in any engine.

RD (single beehive spring) Valve Spring Kit (Part #: 213-006-118-VCY23):

This valve spring kit uses a single beehive spring for valve control. It includes titanium retainers and bottoms. This valve spring kit is good to .475" of valve lift on the intake and exhaust springs. They will also work with turbo applications with up to 15 PSI boost. These valve springs are NOT recommended to be used with oversize valves.

Kibblewhite Valve Spring Kit (Part #: 213-006-118-VCY03):

This valve spring kit is a dual spring kit and uses two different valve springs per valve to control the valve. It also includes titanium retainers and bottoms. This valve spring kit is good to .480" of valve lift on the intake and exhaust springs. This valve spring kit is recommended for cams with less lift than .480". These springs are NOT recommended in turbo applications, but will work well with oversize valve applications.

RD (dual spring) Valve Spring Kit (Part #: 213-006-118-VCY24):

This valve spring kit is a dual spring kit and uses two different valve springs per valve to control the valve. It also includes titanium retainers and bottoms, and shims. This valve spring kit is good to .520" of valve lift on the intake and exhaust springs. This valve spring kit is recommended for cams for the #290 Grind Web Cam and most drag racing high power / high lift custom cams for the Raptor 700. These springs are rated up to 15 PSI in turbo applications. This valve spring kit is also recommended for oversize valves.

Ferrea Valve Spring Kit (Part #: 213-006-118-VCY29):

This valve spring kit is a dual spring kit and uses two different valve springs per valve to control the valve. It also includes titanium retainers and bottoms. This valve spring kit is good to .575" of valve lift on the intake and exhaust springs. This valve spring kit is recommended for high lift camshafts. These springs are NOT recommended in turbo applications, but will work well with oversize valve applications.