Racequip Neck Support CollarThe RaceQuip SFI Rated 360 Degree Helmet Support Neck Collar is made of high density flame retardant foam which is covered with a woven FRC fabric. Used in auto racing to hold the helmet up off the driver's shoulders and provide a cushion between the helmet and shoulder blades or chest. The round tapered wedge design measures 1 3 4" tall in the front and 2 1 4" tall in the rear. The fully closed measurement allows for up to a maximum neck size of

difficult interior surfaces of your car or truck

Mounts between the oil pan and block

These billet aluminum water necks are designed for 429/460 Ford engines

Best in light to medium weight car with 11:1 compression

100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated

4L Modular V8

any bolt-loosening rotation is blocked by a wedge-locking action created by the washers interfacing

XFI 216/220 Hydraulic Roller Cam for Dodge 5

This fully potted

exact fit fuel lines to allow for corrosion resistance and easy installation

Borla(r) stands behind every CrateMuffler with a Million-Mile Warranty

Available in Gold iridited finish