Description
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. 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










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