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Racing Head Service
Most factory configuration small-block Fords are limited by cylinder-head airflow efficiency. RHS has changed that with the introduction of the new Pro Action Windsor and 5.0 cylinder heads, available in aluminum or cast iron. The RHS-designed and engineered Clean Cast Technology has created a new head, providing optimum flow and delivering excellent versatility. Compatible with all original equipment and aftermarket performance parts, these heads offer several unique features, such as high-volume exhaust ports, a dual-bolt pattern, and excellent port-to-chamber transitions. The cylinder heads are available in 180cc, 200cc, and 215cc intake-runner volumes and use 2.02-inch or 2.08-inch diameter intake valve sizes, depending on runner volume. Exhaust valves are 1.60-inch diameter. Racing Head Service, 877/776-4323, 901/259-1134; www.racingheadservice.com. View Related Article
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