Supertech Valve / 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 Valve / Spring / Retainer kits are second to none in terms of performance, quality and value.
SUPERTECH DUAL VALVE SPRING & RETAINER COMBO SPRK-H1021D
Cancer & Reproductive Harm
Dual Valve Spring 92 psi @ 40.4mm lift
Comes with the standard Supertech Titanium retainers
Includes valve seats for upgrade to dual valve springs
2001-2005 Acura RSX Type-R, 2002-2006 Acura RSX Type-S, 2004-2006 Acura TSX, 2006-2010 Honda Civic Si