Empi Performance VW Dual Port Heads With Performance Valve Job 90.5mm Bore

These Hi-Performance Heads are modeled after our Stock Dual Port Cylinder Heads (98-1355-B Casting). Made from a Special Aluminum Alloy for strength and rigidity that is repairable. 90.5/92mm Bore assembled with 35.5 Intake and 32mm Exhaust Seats, Hi-Rev Single Valve Springs, Chromoly Retainers, Hardened Keepers, Stainless Steel Manley Valves, Bronze Valve Guides, Rocker, Exhaust and Intake Studs. Complete with a 3-Angle Performance Valve Job. SCORE APPROVED. Chamber Volume 51cc, Intake Port Volume 53cc, Exhaust Port Volume 56.5cc. Uses 14mm 1/2" Spark Plugs. Sold Each!