Wilson Manifolds Carburetor Spacer - 4500 1" Open L/W RS00400108 3/4-16 in O-Ring Dual Outlets

3/4-16 in O-Ring Dual Outlets

000 in Threaded Body Shock

Angle is 1/8" thick x 1-1/2" wide and has predrilled 1/4" holes on 1" centers

Then check the actual lift of solid and hydraulc camshafts

Wilson Manifolds Carburetor Spacer - 4500 1" Open L/W RS00400108 3/4-16 in O-Ring Dual OutletsNitrous Pro Flow open spacers have become the standard in NASCAR NEXTEL Cup racing, but are for use in any application where a top quality light weight billet spacer is desired. Open spacers increase plenum volume and move the throttle blades away from the roof of the runners, allowing the air fuel mixture to turn more easily into the runners for improved distribution and mixture quality. Open spacers will add mid range and top end hp. Nitrous Pro