Ideal for shops and enthusiasts looking to recalibrate their vehicles for modified hardware
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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!
Height adjustable suspension system with performance valving and application specific, progressive rate coil springs. World-famous Bilstein quality with a limited lifetime warranty!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms Lowers 30-60 mm front, 20-50mm rear
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 Code AMB.
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
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
Includes everything you need to install spacers on two wheels
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! Fits OEM wheels or wheels that require ball seat wheel bolts
Brand:
ES#:
2748195
Mfg#:
ECS10158KTWB1
In Stock
ON SALE!
SAVE 25%
$166.99
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
Fine tune your stance and improve handling
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! We Price Match - Give Us A Call or Chat! Fits hub height contour up to 13.50mm. Inside wheel bevel = 4.0 x 45 degrees
Enhance braking performance & complete your big brake kit! Direct replacement for OEM Porsche 18Z (95535142122, 95535142222).
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes! For Vehicles Equipped with ECS Stage 5 Front Big Brake Kit (ES#1896)
Brand:
ES#:
4845288
Mfg#:
056430LA01
In Stock
ON SALE!
SAVE 15%
$849.99
This product was last offered at the strikethrough price on 05-02-2026
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
