Patriot Performance 185cc SBF

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Patriot Performance 185cc SBF Freedom Series Heads Assembled #1102 Patriot Freedom Series heads have started a revolution in the performance world. They have custom designed a head to meet the needs of the SBF world, while keeping the quality high and the price reasonable. The SBF heads come as cast with a 185cc intake runner, US made bronze guides, and our 5 angle valve job. We have seen these heads add 75 hp over a set of ported "E7" 5.0 heads. These heads come standard with a 60cc chamber, assembled in Patriot facility with 21-4N stainless 2.02" / 1.60" valves, .550" hydraulic roller springs, steel retainers, 3/8" studs, guide plates, and viton seals. *These heads are drilled for 1/2" head bolts. Sold as Pair. Technical Specs: Combustion Chamber: 60cc Intake Runner: 185cc Exhaust Runner: 70cc Intake Valve: 2.02" Exhaust Valve: 1.60" Max. Valve Spring Lift: 0.550" Retainer Material: Steel Valve Seal Material: Viton Valve Guide Material: Manganese Bronze Valve Job: 5-angle Cost: $935

Promar Reserves the right to change manufacturers and specs without notice. HP and TQ ratings are based on actual results on a engine dyno with open headers in controlled environment tuned for maximum performance.