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Supertech
Supertech Mazda Miata 1.6L Dual Valve Spring Kit (70lbs at 34.2mm Installed Height)
Sale price$589.28
Regular price$736.44
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Supertech
Supertech Audi/VW TFSI/EA888/EA113 Single Valve Spring - Set of 16
Sale price$209.12
Regular price$261.34
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GSC Power Division
GSC P-D Nissan VR30DDTT HP Conical Valve Spring Ti Retainer & Seat Kit (10500RPM/55PSI Max)
Sale price$794.75
Regular price$935
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Supertech
Supertech BMW M50/S50/M52/S52/M54 Dual Valve Spring Kit
Sale price$779.37
Regular price$974
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GSC Power Division
GSC P-D Ford Mustang 5.0L Coyote Gen 3 High Pressure Conical Valve Spring & Ti Retainer Kit
Sale price$815.15
Regular price$959
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Ferrea
Ferrea Acura K20 High Lift Drag Racing Dual Spring Kit
Sale price$1,261.15
Regular price$1,401.28
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Supertech
Supertech BMW B58 Beehive Valve Spring Kit (Set Pressure 84 at 37mm)
Sale price$989.99
Regular price$1,237.22
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Supertech
Supertech VW/Audi 1.8T 20V 4cyl Dual Valve Spring Kit
Sale price$586.94
Regular price$733.51
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GSC Power Division
GSC P-D Nissan GTR VR38DETT Single Conical Valve Spring & Titanium Retainer Kit (Race Only)
Sale price$1,012.75
Regular price$1,191.47
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Skunk2 Racing
Skunk2 88-00 Honda Civic D-Series Alpha Series Titanium Retainer Set
Sale price$206.48
Regular price$217.35
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GSC Power Division
GSC P-D 2022+ Subaru WRX FA24F High Pressure Conical Valve Spring and Ti Retainer Kit
Sale price$496.40
Regular price$584
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GSC Power Division
GSC P-D Porsche 991 Turbo Conical Spring Set
Sale price$981.75
Regular price$1,155
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Ferrea
Ferrea Acura/Honda K20 Double Spring 7 Deg Pro CNC Titanium Retainer - Set of 16
Sale price$344.74
Regular price$383.04
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GSC Power Division
GSC P-D Mitsubishi 4G63T Extreme Pressure Conical Valve Spring and Ti Retainer Kit
Sale price$518.53
Regular price$610.03
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GSC Power Division
GSC P-D Mitsubishi 4G63T High Pressure Conical Valve Spring and Ti Retainer Kit
Sale price$518.53
Regular price$610.03
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GSC Power Division
GSC P-D Nissan RB26DETT High Pressure Shimless Conical Valve Spring & Ti Retainer Kit (Max PSI 60)
Sale price$824.80
Regular price$970.35
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GSC Power Division
GSC P-D Ford Mustang 5.0L Coyote Gen 3 Conical Valve Spring and Ti Retainer Kit
Sale price$782
Regular price$920
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Supertech
Supertech BMW S63 V8 Conical Spring Kit - Rate 83lbs (Ex) 80lbs (In)
Sale price$1,278.68
Regular price$1,598
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Supertech
Supertech Valve Spring Shim 1.140in OD .570in ID .030in Thick (Drop Ship Only)
Sale price$1.21
Regular price$1.51


