XFI RPM HI - LIFT Hydraulic Three Bolt Roller Camshaft - XR281HR CO54-428-11 Blocks Stall speed listings are based

Stall speed listings are based on engine producing 230 lb

Conical ET Style Closed Black Wheel Nuts - 1/2-20"Pack of 5

Now with a true return-style system in your Commodore

AF575-08DBLK

That's why ARP developed the Wave-Loc design that features symmetrical waves and has an effective interference range of

XFI RPM HI - LIFT Hydraulic Three Bolt Roller Camshaft - XR281HR CO54-428-11 Blocks Stall speed listings are basedXFI RPM HI LIFT Hydraulic Three Bolt Roller Camshaft XR281HRSuit GM LS III IV, 1997 On CO54 428 11 54 428 11 Rpm operating range 2200 7200 Duration advertised Inlet 281, Exh 283 Duration advertised @ . 050" Inlet 228, Exh 230 Valve lift with 1. 7 rocker Inlet . 571", Exh . 573" Lobe separation angle 112