14mm Thread, .750 in Reach - Gasket (flat) Seat - 4-PackACCEL's patented race proven spark plugs in a Shorty configuration. The overall length has been reduced 3 16 in to 3 8 in (depending on the specific spark plug) to gain critical air gap between the spark plug boot and the exhaust manifold or header tube. This helps eliminate burning the spark plug boot or dimpling the header tube. The shorter spark plug length also can make it easier to install an remove the spark plugs in certain applications where

3 and 4-speed transmissions

bind-free movement

This unit is perfect for full size cars trucks and SUVs with medium to light-heavy duty use and consistent towing

Running an external fuel pump

Vibrant Performance Universal Drain Valves are suitable for use as a drain plug on any type of tank

Vibrant Performance Aluminum Transitions allow for an easy and cost-effective way of reducing / expanding one tubing size to another and are ideal for fabricators who prefer to not use silicone couplers

Rear Torque Arm Hardware Kit – Through bolt rear axle housings require UMI P/N 3003 to complete installation on factory housings

3006 - Replacement tq arm bushing for UMI-style mount on 1982-2002 GM F-Body

These are features that some other companies don't include

and replace it with this vacuum lockout

classic Hurst styling and improved performance that you can depend on

At a bare minimum