VAC Motorsports Billet BMW Rocker Arm Set, BMW M20

Our VAC Aluminum Rocker Arms are here to dispel the myth that heavy steel rockers are needed to maintain reliable performance and sacrifice high RPM stability.

Now available for M20 Engines, these billet rocker arms have been through painstaking R&D and real world use to ensure the best performance in all areas.

Feature:

• Advanced metallurgy in all areas of construction
• Internal Lubrication port to directly lubricate camshaft lobes
• Larger camshaft sweep area for following aggressive camshafts
• Euro style screw and nut for lash adjustment; easier to adjust, keeps it's adjustment best
• Cam contact area is longer and easier on camshafts under stress
• Much stronger than stock, made from virgin billet aluminum
• CAD/CAM designed with FEA (finite element analysis) optimization
• Extra wide valve contact area for even stress distribution
• Lightest rockers we have ever weighed, bests all competition
• Fully rebuildable in case of engine lubrication failure
• 20% lighter than weak BMW original rocker arms
• Extra clearance for larger retainers
• Cam Pads are finished and treated to Top-Fuel racing specifications
• Each cam pad individually referenced for level of hardness and porosity.
• Higher Strength & less deflection allow use of more radical camshaft designs and offer more precise valve motion
• Like all our aluminum parts, they are made in house at VAC Motorsports in the USA
• Unheard of: guaranteed against excessive wear, even when racing! 100% support