Cylinder Head DP Hi-Per 94mm

EMPI. HI-PERFORMANCE STOCK DUAL PORT CYLINDER HEADS WITH PERFORMANCE VALVE JOB - COMPLETE. 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. 94mm 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. 14 mm 1/2” Spark Plug Holes. Chamber Volume: 51cc , Intake Port Volume: 53cc , Exhaust Port Volume: 56.5cc. Must be used with hardened lash caps as the valves are stainless steel. Lash caps sold separately.