SpeedFactory Racing Heavy Duty Detent Spring Kit - F-Series (F20/F22A, 2 Springs) - SF-05-006 ORB to Metric Fuel injected engines:

Fuel injected engines:

We design it to be the best all-around fuel for motorsports compared to other unleaded fuels

The secondary pigtail provides the necessary starting point to wire in a 4-wire oxygen sensor

Z66-HDG6 kit features ACT's most popular Heavy Duty pressure plate

Large velocity stack raised bell mouth entries lead to 8

SpeedFactory Racing Heavy Duty Detent Spring Kit - F-Series (F20/F22A, 2 Springs) - SF-05-006 ORB to Metric Fuel injected engines:The SpeedFactory HD Detent Spring Kit fits all hydraulic DOHC B Series (B16, B18, B20), cable (YS1 only), all K Series, ONLY D16Y, F20B, F22A B, H22A, and H23 transmissions. We have been using these springs in our own transmission builds for years, and now you can too ! Add enjoyment to your driving experience with this simple to install and inexpensive upgrade that gives improved feel and shift action as you engage each gear. The SpeedFactory HD