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Supertech
Supertech Honda D16Z/D16Y8/D17 Single Valve Spring Kit - SPRK-H1002S
MSRP: $558.78$447.16 -
Supertech
Supertech Honda B16/B18C Dual Valve Spring Kit (w/Titanium Retainers) - SPRK-H1002D
MSRP: $639.64$511.86 -
Supertech
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1000D-BM-ST
MSRP: $1,042.17$833.98 -
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Supertech
Supertech BMW S42/M42/M50/S50/M52/M54 Dual Valve Spring Kit - SPRK-H1000D-BM
MSRP: $1,180.03$944.30 -
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Supertech
Supertech BMW N54 Conical Spring Kit - Rate 7.25lbs/mm - SPRK-FE20N54-BE-2
MSRP: $1,215.74$972.87 -
Supertech
Supertech BMW N54 24V 3.0L BMW N54 Conical Spring Kit (Use Factory Valve Stem Seal) - SPRK-FE20N54-BE
MSRP: $1,215.74$972.87 -
Supertech
Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Use OEM Retainer/OEM Seat) - SPRK-FE20BE
MSRP: $441.14$353.02 -
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Supertech
Supertech VW/Audi 2.7T 30V 6cyl Single & Dual Valve Spring Kit - SPRK-AUDI2.7T
MSRP: $1,177.25$942.08