Comp Cams 990-974 Dual Valve Spring Aspire Auto Accessories Carrera S Cabriolet

Carrera S Cabriolet

Don't want to search for the owner's manual or don't have one

20x20 fuel map adjustments

-Window Screens are 120G Environmental Fadeless Breathable Gaze

An interior blackout panel zips over it when you want to sleep in

Comp Cams 990-974 Dual Valve Spring Aspire Auto Accessories Carrera S CabrioletCOMP Cams Valve Springs By Design DUAL Manufactured from Super Clean wire to eliminate surface flaws and fissures Dual spring design capable of handling the increased lift in extreme stress applications Designed for superior strength and durability Adds valve train stability in race, street strip and street performance applications Dual Valve Springs from COMP Cams are manufactured from Super Clean wire and subject to extensive quality control testing