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Ultra Pro Magnum 1620 BBC

  • Ultra Pro Magnum BBC Rockers
  • Ultra Pro Magnum BBC Rockers
  • Ultra Pro Magnum BBC Rockers
  • Ultra Pro Magnum BBC Rockers
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Your Price:
$333.99 (You save $23.00)
9.00 LBS
Calculated at checkout

Product Description

Ultra Pro Magnum Roller Rocker Arms - (BB Chevrolet 1.70)

These rocker arms feature a 1.70:1 ratio and 7/16" rocker stud diameter

The Ultra Pro Magnum Roller Rocker Arms for big block Chevrolet 396 - 454 applications not only live up to the lofty standards of the original Pro Magnums but they also take stud mount rocker performance, stability and value to a whole new level.

The 8650 chromemoly material and arched, web-like design deliver increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance.

A unique black oxide exterior finish helps prevent corrosion and increases durability. Featuring oversized trunnions, precision-sorted needle bearings and hardened roller tips for the ultimate in performance and dependability. Optimized retainer and valve spring clearances allow for use of most diameter springs, retainers and +.050" locks without clearance or fitment issues.



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