Valvetrain

Compatible with boosted or turbocharged applications Designed with increased spring rates and high lift compatibility compared to the stock springs CNC-machined titanium or H.T. (Heat Treated)...

Compatible with boosted or turbocharged applications Designed with increased spring rates and high lift compatibility compared to the stock springs CNC-machined titanium or H.T. (Heat Treated)...

Compatible with boosted or turbocharged applications Designed with increased spring rates and high lift compatibility compared to the stock springs CNC-machined titanium or H.T. (Heat Treated)...

Compatible with boosted or turbocharged applications Designed with increased spring rates and high lift compatibility compared to the stock springs CNC-machined titanium or H.T. (Heat Treated)...

Lower collar is counter bored to allow for greater retainer-to-seal clearance Machined to fit 0.725" outer diameter seal and 0.625" valve guide Made of heat-treated steel Made in the USA

Precision-machined guides Manganese bronze guide material is softer than nickel aluminum bronze valve guides Excellent heat conductivity which promotes long valve life Guides can be easily...

Precision-machined guides Manganese bronze guide material is softer than nickel aluminum bronze valve guides Excellent heat conductivity which promotes long valve life Guides can be easily...

Precision-machined guides Manganese bronze guide material is softer than nickel aluminum bronze valve guides Excellent heat conductivity which promotes long valve life Guides can be easily...

Precision-machined guides Manganese bronze guide material is softer than nickel aluminum bronze valve guides Excellent heat conductivity which promotes long valve life Guides can be easily...

Precision-machined guides Manganese bronze guide material is softer than nickel aluminum bronze valve guides Excellent heat conductivity which promotes long valve life Guides can be easily...

Precision-machined guides Manganese bronze guide material is softer than nickel aluminum bronze valve guides Excellent heat conductivity which promotes long valve life Guides can be easily...

Precision-machined guides Manganese bronze guide material is softer than nickel aluminum bronze valve guides Excellent heat conductivity which promotes long valve life Guides can be easily...