Comp's new sweet black oxide rocker arms.

Comp has been working on rocker arms for over 20 years and this is their latest product.

Comp Cams Ultra Pro Magnum Rocker Arms

Key Features:

• 29% increase in strength and rigidity
  
• nearly unbreakable investment cast 8650 chrome moly 
• maximizes lift and valve train control at high rpm
• increased retainer and valve spring clearances for large diameter valve springs
• lifetime guarantee against the breakage of the rocker arm body for any reason
• black oxide exterior finish offers a distinctive appearance along with long term corrosion resistance
• oversized trunion and precision-sorted needle bearings for use with high load valve springs
• hardened roller tips for reduced friction and elimination of the valve stem “side loading” 
• available for most popular Chevy and Ford performance engine applications that utilize stud mount rockers arms