298° hydraulic lifter Race camshaft. 471″ lift, 254° duration @ .050″, 108 degree lobe centers. Chilled Hardened billet. Very rough idle with plenum type intake manifolds. Not recommended for street use. Best to use early thick top Hyd lifters 109 090. Dual HD valve springs are a must! Titanium Valve Spring Retainer recommend. Can be used as solid lifter cam using these lifers 109 088A, 109 088AW or 109 088AD. This cam will not pass smog!
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