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Supertech Subaru EJ20/EJ25 Black Nitrided Intake Valve - Set of 8 - SIVN-1010-8

$186.69

Supertech Subaru BRZ FA20/FA20D Black Nitrided Intake Valve - Set of 8 - SIVN-1050-8

$192.49

Supertech Honda D16A/D15B Single Valve Spring - Set of 16 - SPR-H1003S-16

$170.53

Supertech Honda H22A1/H22A4 Dual Valve Spring - Set of 16 - SPR-H1005D-16

$231.13

Supertech Honda B16A/B17A/B18C Dual Valve Spring - Set of 16 - SPR-H200DR-16

$350.74

Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit - SPRK-1012-M18D

$602.45

Supertech Toyota 2JZ Single Valve Spring Kit - SPRK-2081-SP

$641.86

Supertech VW/Audi 2.7T 30V 6cyl Single & Dual Valve Spring Kit - SPRK-AUDI2.7T

$880.38

Supertech Toyota Supra (A90)/BMW B58B Conical Spring Kit - SPRK-B58B

$909.17

Supertech Honda D16A1 Single Valve Spring Kit - SPRK-EC3027S-ZC

$527.84

Supertech Honda F22A 16V Single Valve Spring Kit - SPRK-F22AB

$486.59

Supertech Ford/Mazda DURATEC 2.0L/2.3L Beehive Valve Spring Kit (Use OEM Retainer/OEM Seat) - SPRK-FE20BE

$329.90