Increase performance and durability without sacrificing comfort
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Fits automatic transmission left and right side, fits manual transmission right side only
Brand:
ES#:
2951985
Mfg#:
034-509-4046SD
In Stock
$96.00
This product was last offered at the strikethrough price on 05-01-2026
Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Compatible on models with ATW & AWM engine codes only
Upgrade to heavy-duty billet aluminum construction for maximum durability!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For Vehicles with Engine Codes ATW, and AWM.
Brand:
ES#:
4920294
Mfg#:
045960LA02KT
In Stock
ON SALE!
SAVE 20%
$79.99
This product was last offered at the strikethrough price on 05-02-2026
High quality performance valve spings and titanium retainers
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Great bolt on performance upgrade that can be used with or without specific programming
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Stock sized valve head diameter, factory triple groove keeper setup - Includes Supertech valves and IE valve seals
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! *Existing factory triple-groove valve keepers are to be reused*
Gain additional negative camber for increased cornering grip and improved handling performance
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Increased energy output over OE coils for a stronger, more consistent spark!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For Vehicles with Engine Codes ATW and AEB (Bolt-In Style Ignition Coils)
Brand:
ES#:
4846108
Mfg#:
056059LA08
Ships in 3 Business Days
ON SALE!
SAVE 15%
$34.99
This product was last offered at the strikethrough price on 05-02-2026
Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
5271
Mfg#:
001564ECS01
In Stock
ON SALE!
SAVE 15%
$229.99
This product was last offered at the strikethrough price on 05-02-2026
Upgrade your flywheel to handle higher horsepower/torque. Made from billet steel!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Recommended to be used with a Southbend Clutch Kit for best results
All the performance upgrade options from the best brands in the business to help build your dreams. Our performance parts catalog is the largest anywhere and constantly growing to keep your build on track.
Lifetime Replacement
