Pro Magnum Hydraulic Flat Lifter Set for Oldsmobile 260-455 and Pontiac 326-455

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PRO MAGNUMHydraulic Flat Tappet Lifters

  • Specifically designed to perform at higher engine speeds

  • Proper position of internal piston at higher RPM prevents lifters from harmful “pumping up”

  • Unique design yields significant power increase over standard hydraulic lifters

  • Adjustable valve train required

  • Pre-load .002"-.004" w/ engine warm


  • Oldsmobile V8 260-455

  • Pontiac V8 326-455

SPECIFICATIONS .842” Diameter • 96g Weight • 2.01” Seat Height

Lifter Type: Hydraulic Flat Tappet
Lifter Series: Pro Magnum
Lifter Weight: 96
Lifter Seat Height: 2.01
Note Description