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Home Chevrolet/GM LS Gen III/IV 3-Bolt Rocker Arms Ultra Pro Magnum
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Total products in Ultra Pro Magnum: 6

 

ULTRA PRO MAGNUM™ ROCKER ARMS

The Ultra Pro Magnum™ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnum™ Rockers, but they also take stud mount rocker performance, stability and value to a whole new level. The modern arched, web-like design delivers increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance.

  • Investment cast 8650 chromemoly body & arched, weblike design deliver increased strength and rigidity while reducing moment of inertia
  • Withstand valve spring pressures up to 850 lbs.
  • Increased retainer & valve spring clearances allow use of large diameter springs, retainers & +.050" locks w/o clearance or fitment issues
  • Feature oversized trunnions, precision-sorted needle bearings & hardened roller tips
    

 

(16) Ultra Pro Magnum™ Roller Rockers - Stud Mount - GM LS1/LS2/LS6/Cathedral Port Heads
Part Number: 1675-16
Quantity in Cart: none
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Price: $431.80
(16) Ultra Pro Magnum™ Roller Rockers - Bolt Down - GM LS1/LS2/LS6/Cathedral Port Heads
Part Number: 1677-16
Quantity in Cart: none
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Price: $385.80
Ultra Pro Magnum™ Rocker Kit w/ Studs & Guide Plates; GM LS1/LS2/LS6/4.8/5.3/6.0L
Part Number: 16755-KIT
Quantity in Cart: none
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Price: $602.19
(16) Ultra Pro Magnum™ Roller Rockers - Stud Mount - GM LS3/L99/L76/Rectangle Port Heads
Part Number: 1676-16
Quantity in Cart: none
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Price: $431.80
(16) Ultra Pro Magnum™ Roller Rockers - Bolt Down - GM LS3/L99/L76/Rectangle Port Heads
Part Number: 1678-16
Quantity in Cart: none
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Price: $395.00
Ultra Pro Magnum™ Rocker Kit w/ Studs & Guide Plates; GM LS3/L99/L76/Rectangle-Port Heads
Part Number: 16765-KIT
Quantity in Cart: none
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Price: $600.14
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