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Supertech Mitsubishi 420A Dual Valve Spring Kit
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Supertech Nissan CA18DET 16V Dual Valve Spring Kit
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Supertech Nissan VQ35DE 24V/VK56 32V Dual Valve Spring Kit
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Supertech Nissan VQ35DE 24V/VK56 32V Dual Valve Spring Kit
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Supertech Nissan VQ35DE 24V/VK56 32V Dual Valve Spring Kit
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Supertech Toyota 3SGTE Dual Valve Spring Kit
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Supertech Toyota 3SGTE Dual Valve Spring Kit (Flatten Valve Guide Boss for Inner Spring to 0160in)
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Supertech 02-07 Mini Cooper 1.6L Dual Valve Spring Kit
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Supertech Honda Integra LS B18A/B Dual Valve Spring Kit
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Supertech Subaru EJ25 Dual Valve Spring Kit
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Supertech Nissan GTR VR38DETT 24V Dual Valve Spring Kit
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Supertech Ford ECOBOOST 2.0L/2.3L Dual Valve Spring Kit (Use with OEM seal)
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Supertech Renault FR4 RS 2.0L 16V Dual Valve Spring Kit
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Supertech GM ECOTEC 2.0L Dual Valve Spring Kit
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Supertech Toyota Supra 2JZ-GE/2JZ-GTE Conical Single Valve Spring Kit
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Supertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit
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Supertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit
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Supertech Subaru WRX/STi 16V Single Beehive Valve Spring Kit
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Supertech Toyota 2JZ Dual Valve Spring Kit
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Supertech Nissan 300ZX VG30D Dual Valve Spring Kit
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Supertech Toyota 2JZ Dual Valve Spring Kit
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Supertech Opel/Vauxhall Z20LET 16V Dual Valve Spring Kit
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Supertech Opel Z16/Z18 LER/ A18XER 16V Dual Valve Spring Kit (Use Factory Seat)
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Supertech Toyota 1GR-FE 4.0L V6 24V Dual Valve Spring Kit
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Supertech Nissan CA18DET 16V Dual Valve Spring Kit
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Supertech Nissan VK56 Dual Valve Spring Kit
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Supertech Nissan VQ35DET Dual Valve Spring Kit
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Supertech Nissan VR38DETT 3.8L 24V Beehive Valve Spring Kit
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Supertech Nissan GTR VR38DETT 24V Dual Valve Spring Kit
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Supertech Ford ECOBOOST 2.0L/2.3L Dual Valve Spring Kit (Use with OEM seal)
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Supertech Renault FR4 RS 2.0L 16V Dual Valve Spring Kit
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Supertech GM ECOTEC 2.0L Dual Valve Spring Kit
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Supertech Opel/Vauxhall C20XE 16V Dual Valve Spring Kit
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Supertech Toyota 2JZ Dual Valve Spring Kit
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Supertech Nissan 300ZX VG30D Dual Valve Spring Kit
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Supertech Toyota 2JZ Dual Valve Spring Kit
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Supertech Toyota 2JZ Dual Valve Spring Kit- (24)SPR-TS1009 + (24)RET-TS60/T1-2
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Supertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mm
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Supertech 05-15 Ford Focus 2.0L Dual Valve Spring Kit
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Supertech Ford Duratec/Mazda MZR 2.0L/2.3L/2.5L Dual Valve Spring Kit
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