Supertech Performance
Supertech Performance Valve Spring Kit - Dual Valve Springs - Springs: SPR-TS1015/Si (16) - Retainers: RET-TS60/MA2 (16) - Seat: SEAT-TS/MA18I (16) SPRK-1012-M18D
Supertech Spring / Retainer kits are precision matched sets for a complete valvetrain overhaul. Developed for the performance enthusiast that wants the best the industry has to offer, Supertech...