Add to Cart Compare Add to My Wish List IAG Performance Single Valve Spring and Titanium Retainer Set For Subaru EJ Engine - IAG-ENG-3202 $249.99 MSRP: IAG Performance
Add to Cart Compare Add to My Wish List GSC P-D Ford Mustang 5.0L Coyote Gen 3 Conical Valve Spring and Ti Retainer Kit - 5012 $782.00 MSRP: $920.00 GSC Power Division
Add to Cart Compare Add to My Wish List Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm - SPRK-FE20N54-BE-2 $909.17 MSRP: $1,136.21 Supertech
Add to Cart Compare Add to My Wish List GSC P-D Toyota 2JZ-GTE / Nissan VR38DETT 1mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24) - 1084 $20.40 MSRP: $24.00 GSC Power Division
Add to Cart Compare Add to My Wish List GSC P-D Toyota 2JZ-GTE / Nissan VR38DETT .5mm Thick 27.56mm OD 18.4mm ID Spring Seat Kit (Set of 24) - 1083 $20.40 MSRP: $24.00 GSC Power Division
Add to Cart Compare Add to My Wish List Supertech Audi 2.5T FSI/TFSI/EA113/EA888 Single Valve Spring Kit - SPRK-A2416-BE2 $579.99 MSRP: $724.83 Supertech
Add to Cart Compare Add to My Wish List Supertech BMW S42 / Honda B16A / Honda/Acura B18C5 Steel Spring Retainer - Set of 16 - RET-HBK-ST-16 $178.83 MSRP: $223.49 Supertech
Add to Cart Compare Add to My Wish List Supertech Valve Spring Shim 1.140in OD .570in ID .030in Thick - SS-3043 $1.21 MSRP: $1.51 Supertech
Add to Cart Compare Add to My Wish List Supertech Nissan RB26 Factory Shim Replacement 12.15mm Diameter 3.20mm Thickness - RB26-SHIM-3.20 $5.06 MSRP: $6.32 Supertech
Add to Cart Compare Add to My Wish List Supertech Audi V6 (24V) Single Valve Spring Kit 73lb - 37.4 Ex 85lb - 36 / 24.9 CB / 12.5 Lift Ex 11 - SPRK-A2416N-V6 $684.49 MSRP: $855.42 Supertech
Add to Cart Compare Add to My Wish List GSC P-D 2017+ Audi RS3 DAZA Beehive Valve Spring and Ti Retainer Kit (60PSI Max Boost) - 5096 $552.50 MSRP: $650.00 GSC Power Division
Add to Cart Compare Add to My Wish List Skunk2 Honda L15B7 Ultra Valve Springs and Spring Base Kit - 313-05-9400 $332.45 MSRP: $349.95 Skunk2 Racing
Add to Cart Compare Add to My Wish List Supertech VW VR6 Dual Valve Spring - Set of 12 - SPR-V2093-4-12 $173.76 MSRP: $217.16 Supertech
Add to Cart Compare Add to My Wish List Supertech BMW M50/M52/S50/S52 Dual Valve Spring - Set of 24 - SPR-H1005D-24 $346.70 MSRP: $433.28 Supertech
Add to Cart Compare Add to My Wish List Supertech Mazda Miata 1.8L Single Valve Spring Kit - SPRK-MM18-S $527.84 MSRP: $659.66 Supertech
Add to Cart Compare Add to My Wish List Supertech Mazda Miata 1.8L Dual Valve Spring Kit - SPRK-MM18-D $589.28 MSRP: $736.44 Supertech
Add to Cart Compare Add to My Wish List GSC P-D Toyota Supra/BMW Z4 B58 Beehive Valve Spring and Ti Retainer Kit - 5091 $595.00 MSRP: $700.00 GSC Power Division
Add to Cart Compare Add to My Wish List GSC P-D Toyota 2JZ / Nissan VR38DETT 0.060in Thick 1.085in OD 0.725in ID Spring Seat Kit (Set of 24) - 1085 $33.66 MSRP: $39.60 GSC Power Division
Add to Cart Compare Add to My Wish List Supertech Seedoo 4TEC Dual Valve Spring Kit - SPRK-EC3025D-SE $373.88 MSRP: $467.24 Supertech
Add to Cart Compare Add to My Wish List Supertech Nissan RB26 Factory Shim Replacement 12.15mm Diameter 2.60mm Thickness - RB26-SHIM-2.60 $5.06 MSRP: $6.32 Supertech
Add to Cart Compare Add to My Wish List GSC P-D VQ35DE (turbo High Rev) Beehive Valve Spring and Titanium Retainer Kit - 5053 $597.57 MSRP: $703.02 GSC Power Division
Add to Cart Compare Add to My Wish List Supertech VW VR6 24V R32 Dual Valve Spring Kit - SPRK-TC25D-VR6 $820.59 MSRP: $1,025.51 Supertech
Add to Cart Compare Add to My Wish List Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit - SPRK-2081-RB25 $726.30 MSRP: $907.67 Supertech
Add to Cart Compare Add to My Wish List Supertech Titanium Retainer for H1000 Series Springs - Set of 16 - RET-K20A2-T2-16 $247.85 MSRP: $309.74 Supertech