4003 Upgrade Kit - makes 4003 into 4002 - GFB 4202 Nissan Skyline Because ARP studs are manufactured

Because ARP studs are manufactured to such exacting tolerances

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Spark Support Gap Discharges will occur in the Spark Support Gap (space between the tip of insulator and the base of the outer electrode) to help prevent carbon buildup

This is a combination kit for the Stinger that mix the valve types

2 sensor looms (attached)

4003 Upgrade Kit - makes 4003 into 4002 - GFB 4202 Nissan Skyline Because ARP studs are manufacturedGFB's Short Shift kits are like no other. Until you feel the action of one for yourself, you won t believe the difference! Why did we bother to make a short shift kit, when there are so many other brands available? Because there was room for improvement! Our unique system means that not only is the shift throw distance fully adjustable, it can be reduced more than any other brand by a long shot (at the shortest setting, the throw from 3rd to 4th is a