ATK Engines 2CT13S1 Cast Cylinder Heads, LS3/L92, Assembled 255cc

Description: Bronze Valve Guides, Dual valve springs for .650" max lift, CNC finished faces and bolt holes for extreme accuracy, 355-T6 high density aluminum, Machined for screw in studs and guide plates ATK Engines 2CT13S1 Cast Cylinder Heads, LS3/L92, Assembled 255cc Sku # 35020033 Mfr. Part # 2CT13S1 Condition New Brand ATK Engines Sold Each Details Info ATK’s as cast cylinder heads are the perfect budget option for your next LS build. These heads are capable of making over 600HP naturally aspirated out of the box and will come loaded with upgraded components. The springs are setup to be used on up to .650″ lift camshafts. No reason to swap parts on your new heads when running an upgraded cam! Features & Benefits Bronze Valve Guides Dual valve springs for .650″ max lift CNC finished faces and bolt holes for extreme accuracy 355-T6 high density aluminum Machined for screw in studs and guide plates All factory components will fit without modification Come fully assembled Sold individually Cylinder Head Specifications INTAKE: Intake Runner Volume (cc): 252 Intake Port Location: Standard Intake Valves Included: Yes Intake Valve Diameter (in): 2.160 in. EXHAUST: Runner Volume (cc): 78.8 Exhaust Valve Diameter (in): 1.600 in. Exhaust Valves Included: Yes Exhaust Runner: No Port Shape: Round Exhaust Port Location: Standard COMBUSTION CHAMBER: Combustion Chamber Volume (cc): 69.4 CNC-Machined Combustion Chamber: No VALVE SPECS: Intake Valve Angle: 12 Degrees (3 degrees rolled) Exhaust Valve Angle: 12 Degrees (3 degrees rolled) Valve Guides Included: Yes Valve Guide Material: Manganese Bronze Valve Seats Machined: Yes Valve Seat Machine Style: 5-Angle Valve Seat Material: Chrome Nickle Valve Stem Seals Included: Yes Valve Stem Seal Style: Viton® Fluoroelastomer SPRINGS: Valve Springs Included: Yes Maximum Valve Lift (in): .650 in. Spring Pressure Open: 370 @ 1.150 Spring Pressure Closed: 142 @ 1.800 Outside Diameter of Outer Spring (in): 1.29 in. Damper Spring Included: Yes Number of Springs per Valve: Dual Retainers Included: Yes Retainer Material: Chromemoly Steel Locks Included: Yes Lock Style: 7 Degree ROCKER ARMS: Rocker Arm Studs Included: No Rocker Arms Included: N/A Rocker Arm Nut Thread Size (in): 8 x 1.25 Rocker Arm Nuts Included: No MISC: Head Style: Assembled Cylinder Head Material: Aluminum Cylinder Head Finish: Natural Spark Plug Style: Standard Cover Mounting Style: Standard Steam Holes Drilled: No Oiling Style: Through Pushrod Machined for O-Ring: No Heat Crossover: No 10mm Accessory Bolt Holes Machined On Ends of Heads Specs Cylinder Head Style Assembled Combustion Chamber Volume 69cc MFG. Part # 2CT13S1 Tech Support We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.

Price: 748.99 USD

Location: Lincoln, Nebraska

End Time: 2025-02-04T12:02:04.000Z

Shipping Cost: 0 USD