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SUPERTECH DUAL VALVE SPRING & RETAINER COMBO SPRK-H1021D 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. Specs: Dual Valve Spring 92 psi @ 40.4mm lift Comes with the standard Supertech Titanium retainers Includes valve seats for upgrade to dual valve springs K-Series Engine Application: K-Series Engines: k20a2, k24a2 Cars: 2001-2005 Acura RSX Type-R, 2002-2006 Acura RSX Type-S, 2004-2006 Acura TSX, 2006-2010 Honda Civic Si
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🇺🇸 Ship from USA · On Agora since 2026
$499.00