Best Selling Products

Supertech SPRK-TS1012-2 Dual Valve Spring 74@ 35mm (24) SPR-TS1012/2 + (24) RET-NVG1015/T1 + (24)SEAT-TS1015

Supertech SPRK-TS1012 Dual Valve Spring Kit; Springs: SPR-TS1012 (24); Retainers: RET-TS60/T1; Seat: SEAT-TS1015/2; Also Require

Supertech SPRK-TS1009 Dual Valve Spring 118@ 33.65mm (24)SPR-TS1009 + (24)RET-TS60/T1-2 + OEM

Supertech SPRK-TS-DUR-DS Mazda/Ford Duratec engine single vavle spring kit

Supertech SPRK-TS-DUR-D2 Dual Springs; Outer Spring 27.5mm OD / 20mm ID; Inner Spring 20mm OD / 15.2mm ID; 70lbs@36.20mm Seated;

Supertech SPRK-TS-DUR-D1 Dual Valve Spring Kit; Springs: SPR-TS1015 (16); Retainers: RET-TS5.5/T1 (16); Seat: SEAT-DUR1 (16); Al

Supertech SPRK-TC25S-24 Single Valve Spring Kit; Springs: SPR-TC25S; Retainers: RET-2500/T1; Shim: SS-3012 for Toyota Supra(1987

Supertech SPRK-TC25S Single Valve Spring Kit; Springs: SPR-TC25S; Retainers: RET-2500/T1; Shim SS-3012 for Toyota Mr2(1985-1989)

Supertech SPRK-TC25D-VR6 Dual Valve Spring Kit; Springs: SPR-TC25D/VR6; Retainers: RET-K20A3/TC25; Seat: SEAT-VR624 for Volkswa

Supertech SPRK-TC25D-MP Mazda 2.0lts FS Dual Valve Spring Kit: 85lbs @34.8mm / Spr-TC25D + RET2500/T1 +SS-3012 + VS-T6SM

Supertech SPRK-TC25D Dual Valve Spring Kit; Retainers: RET-2500/T1 + Spring Base; Shim: SS-3012; Valve Seal: VS-T6SM (Smaller Oi

Supertech SPRK-SUEZ30-W Dual Valve Spring 85@ 31.9 Intake / 60@ 36.10 Exhaust/ SPR-H1002D(12)+SPR-TS1015(12)+RET-TS5.5/2(12)+RET

Supertech SPRK-MP20S Mazda Springs, Retainers, and seats (Kit)

Supertech SPRK-M1015-EX3 Dual Valve Springs for Mitsubishi Lancer(2008), Mitsubishi Lancer(2008)

Supertech SPRK-M1015-EX2 Dual Valve Spring Kit; Springs: SPR-TS1015/EX (16); Retainers: RET-TS1015/T1EX; Seat: SEAT-M1015-1; Als

Supertech SPRK-M1012-EX1 Dual Valve Spring 75 @ 34.5 SPR-M1012/EX1 + RET-TS5.5/T1EX+ SEAT-M1015-2 + Fact Seat

Supertech SPRK-M1007S-TB48 (Springs only) Single Valve spring Kit 88 @ 38.5mm SPR-M1007S + OEM Retainer + OEM Seat (opt. spring

Supertech SPRK-M1007S-K2 Single Valve Spring Kit; Springs: SPR-M1007S; Retainers: RET-K20A3/T1 for Honda Civic(2002-2005), Honda

Supertech SPRK-M1007S-3000 Mitsubishi 3000 Single Valve Spring 102@ 37.15mm (24)SPR-M1007S + (24)RET-M65/T1

Supertech SPRK-M1007S Single Valve Spring Kit; Springs: SPR-M1007S (24); Retainers: RET-M65/T1 (24) for Mitsubishi Eclipse(1990-

Supertech SPRK-M1007D-K2 Dual Valve Spring Kit; Springs: SPR-M1007D; Retainers: RET-K20A3/T1; Seat: SEAT-HKA3 for Honda Civic(20

Supertech SPRK-M1007D-3 Dual Valve Springs for Mitsubishi Lancer(1992-2006), Mitsubishi Eclipse(1990-1999), Eagle Talon(1990-199

Supertech SPRK-M1007D-2 Mitsubishi 4G63 Spring kit 100lbs @39mm

Supertech SPRK-M1007D Dual Valve Spring Kit; Springs: SPR-M1007D; Retainers: RET-M65/T1; Seat: SEAT-M1007; Valve Seal: VS-H6.6