Supertech Dual Valve Spring Kit 20" Wheels Feature Final BETA End User

Feature Final BETA End User Dealer Tuning Reflash Real-Time Logging X X X Ignition/Fuel Tuning X X X X Knock Tuning X X X X Rev Limiter Settings X X X X Closed Loop Control X X X X Disable Sensors X X X X Fuel Cut Parameters X X X X Fuel Correction Parameters X X X X Ignition Correction Parameters X X X X Idle Control Parameters X X X X Dyno Results:

Often imitated but never duplicated the JB4 has been the gold standard in plug and play turbocharged performance tuning for over a decade

32 ways of dampening adjustability

NOTE: When installing the vacuum fitting

Supertech Dual Valve Spring Kit 20" Wheels Feature Final BETA End UserFITS: 9th Gen Honda Civic Si 2nd Gen Acura TSX Supertech Spring Retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech Spring Retainer kits are second to none in terms of performance, quality and value. Specifications: Type: Dual Spring Press. Seat: 86lbs @ 33. 4mm Max Lift: 14. 90mm Coil Bind: 18. 50mm Rate: 12. 50 lbs mm Retainer: