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Valve Springs, Retainers

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Supertech Honda D16A1 Single Valve Spring Kit
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Supertech Yamaha FZR-1800 Single Valve Spring Kit
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Supertech Sea-Doo 4TEC Dual Valve Spring Kit
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Supertech 02-07 Mini Cooper 1.6L Dual Valve Spring Kit
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Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit (Seat Pressure 62 at 37.80)
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Supertech Toyota 2TR-FE Dual Valve Spring Kit
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Supertech Toyota Tacoma 2RZ/3RZ Dual Valve Spring Kit
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Supertech Toyota 1AR-FE 4 Cyl 2.7L Dual Valve Spring Kit
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Supertech GM ECOTEC 2.0L Dual Valve Spring Kit (Requires Smaller Seal)
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Supertech 02-07 Mini Cooper 1.6L Dual Valve Spring Kit
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Supertech Toyota 3UR-FE 32V Dual Valve Spring Kit
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Supertech Toyota Tacoma 2TRFE Dual Valve Spring Kit
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Supertech Toyota 2GR-FE 24V Dual Valve Spring Kit
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Supertech GM ECOTEC 2.0L Dual Valve Spring Kit (Requires Smaller Seal)
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Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit
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Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit
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Supertech Audi V8 4.2L 40V Dual Valve Spring Kit
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Supertech Audi V6 2.7L 30V Dual Valve Spring Kit
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Supertech Audi V8 (32V) Single Valve Spring Kit
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Supertech Audi V10 (40V) Single Valve Spring Kit
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Supertech Toyota 4AGE 20V Single Valve Spring Kit (Silver Top)
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Supertech Toyota 4AGE 20V Single Valve Spring Kit (Black Top)
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Supertech BMW S54 Dual Valve Spring Kit (w/SEAT-BMS54)
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Supertech Toyota 2JZ Single Valve Spring Kit