Supertech VW/Audi 2.0L FSI EA113 Single Valve Spring Kit

Supertech Audi 2.5T FSI/TFSI/EA113/EA888 Single Valve Spring Kit

Supertech VW 2.5L 5cyl 20V Single Valve Spring Kit

Supertech BMW S54 24V 3.2L Dual Valve Spring Kit

Supertech Nissan SKYLINE RB25 DOHC 24V (w/Hydraulic Lifters) Single Valve Spring Kit

Supertech Mazda Miata 1.8 1.8L Dual Valve Spring Kit

Supertech VW VR6 Dual Valve Spring - Set of 12

Supertech Toyota 4AGE 16V Single Valve Spring - Set of 16

Supertech Mini Cooper N14B16 / N18B16 Beehive Valve Spring (Fits OEM Retainer) - Set of 16

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

Supertech Dual Valve Spring - 29/21.80mm-21-15.5mm - 22mm CB - 18.3mm Max Net Lift - Set of 16

Supertech Dual Valve Spring - 30/21.80mm-21.8/16.2mm - 22mm CB - Rate 13.2lbs/mm - Set of 16

Supertech Honda K20/K24/F20C1/F22C1 Dual Valve Spring - Set of 16

Supertech Honda K20/K24 Dual Valve Spring - Set of 16

Supertech BMW M50/M52/S50/S52 Dual Valve Spring - Set of 24

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

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

Supertech Honda D16Z6/D16Y6/D16Y7/D16Y8/D15B/D17A Single Valve Spring - Set of 16

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

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

Supertech BMW S65/S85 Beehive Valve Spring - Set of 40 (Use w/Factory Retainer & Base)

Supertech Subaru EJ25 Black Nitrided Intake Valve - Set of 8

Supertech Subaru EJ20/EJ25 Black Nitrided Intake Valve - +1mm Oversize - Set of 8 (Std Length)