Royal Purple HMX High Mileage Synthetic Motor Oil -10W30 - 5 Quart Gauge Mounting Pedestal 26099 and 991 dual valve

26099 and 991 dual valve springs

Bolt Center is 7-3/4"

and it features a band clamp mount for easier timing adjustments

and thicker 14 gauge primary tubes

Royal Purple HMX High Mileage Synthetic Motor Oil -10W30 - 5 Quart Gauge Mounting Pedestal 26099 and 991 dual valveHMX is synthetic motor oil specifically designed by Royal Purple engineers to minimize wear inside older engines and restore lost engine performance. Royal Purples premium synthetic motor oil and synthetic lubricants have been designed to improve performance in all conditions and provide cleaner operation, better mileage and decreased oil change frequency. With options available for most automotive, industrial, marine, motorcycle and racing