GSC Stage 3 EJ257 Billet Camshaft Set Dual AVCS (Intake and Exhaust) Head Gaskets EJ20 Closed Deck Process

EJ20 Closed Deck Process

Exhaust 264 / 222 @

For street use

The spring tension of the segmented retaining ring is carefully calculated and tested for optimal performance

GSC Stage 3 EJ257 Billet Camshaft Set Dual AVCS (Intake and Exhaust) Head Gaskets EJ20 Closed Deck Process*Check Pictures for cam placement. Long nose= Left Side. Short nose = Right Side **Due to the lobe size, head castings will need to be filled down slightly for clearance. Intake 282 240 @ . 040" Peak Lift 11. 5 MM Centerline AVCS Exhaust 282 240 @ . 040" Peak Lift 11. 5mm Centerline AVCS *Requires upgraded valve springs* Install to OEM shim specs for intake and exhaust