The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. This 1817 rocker features a 1.7 ratio for use with 7/16"...

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

The Ultra Pro Magnumâ„¢ XD Rocker Arms are engineered from durable 8650 Steel that outlasts and outperforms other inferior knock-off and import Rockers. A unique machined billet Pushrod seat insert...

CRS .100 Offset Shaft Don't cut up your new rocker arms to clear a wider diameter valve spring. Instead, use this .100" offset shaft to shift your Chrysler 273-360 rocker arms inboard to pick up...

Made from a high quality aluminum alloy with a tensile strength of 80,000 psi‚ Needle bearing trunnions allow valve spring pressures of up to 350 lbs. open pressure, making Aluminum Roller Rocker...

Hi-Tech Rocker Stud, 3/8" With a 7/16" base thread and a 3/8" rocker thread, the Hi-Tech stud features rolled threads for maximum contact and a ground-flat top for accurate valve adjustment. This...

COMP Cams takes pride in having the finest Rocker arm Studs available on the market. The High Energy and Magnum Series Studs work well in Applications with moderate lifts and spring pressures and are...