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• Beefed-Up Intake & Exhaust Ports for Massive Porting without the Need for Welding • Special Aluminum Alloy for Strength and Durability...Plus they are Repairable • Added Material Surrounding the Combustion Chamber for Deep Fly Cutting • Exhaust Air Passages are Clear for Proper Cooling • 12mm, 3/4” Reach Plug Holes • Competition Dual Valve Springs, Chromoly Retainers, Hardened Keepers, Bronze Valve Guides, Stainless Steel Valves & Custom Fit Gaskets Included with each Pair • Hi-Performance 3-Angle Valve Job • All EMPI Complete Heads are Supplied with Stainless Steel Valves. Lash Caps P/N 4006 are Required in all Cylinder Head Applications that have Stainless Steel Valves.
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