Patriot Performance 195cc Aluminum LT1

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Patriot Performance 195cc Aluminum LT1 Heads Assembled #2047 We are proud to announce Patriot Performance new aluminum190cc LT1 head. They have designed these heads to work well on 350-383 LT applications. The heads were designed to use a stock LT1 intake. Heads come assembled with Patriot Gold .650” hydraulic roller springs, titanium retainers, 2.02”/1.60” stainless valves. bronze guides, viton rubber seals, 3/8” studs, and guide plates. Sold As Pair. Technical Specs: Combustion Chamber: 58cc Intake Runner: 195cc Exhaust Runner: 70cc Intake Valve: 2.02" Exhaust Valve: 1.60" Max. Valve Spring Lift: 0.650" Spring Pressure Closed: 135 lbs. @ 1.800" Spring Pressure Open: 375 lbs. @ 1.150" Retainer Material: Titanium Valve Seal Material: Viton Valve Guide Material: Manganese Bronze Valve Job: 5-angle Cost: $995

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.