Flo-Tek LS3-505 LS3 276CC Hydraulic Roller Assembled Head

Description: LS3 Assembled Hydraulic Roller, 276cc Intake Port Volume / 68cc Combustion Chamber, 142# On Seat, 600 Super Flow Bench at .600 Lift, Intake 343 CFM and Exhaust 206 CFM Flo-Tek LS3-505 LS3 276CC Hydraulic Roller Assembled Head Sku # 721276505 Mfr. Part # LS3-505 Condition New Brand Flo-Tek Sold Each Details Info This item is not sold as a pair, this is a single cylinder head. The new FLOTEK LS3 head features as-cast high flow intake runners that flow significantly better than the stock LS3 heads. In back to back testing at .650 lift, the FLOTEK LS3 flow tested 44 CFM better than the stock LS3 heads. The FLOTEK LS3 has a 276cc intake runner, 92cc exhaust runner, and 68cc combustion chamber. The ports are in the stock location so no special valve train parts or rocker arms are required. The heads are a 15 degree, which is the same as the stock cylinder heads so no special pistons are required. The FLOTEK LS3 will work on any LS block that has a 4.000" bore or bigger. These heads combine high performance and high quality at a value price. LS3 Assembled Hydraulic Roller 276cc Intake Port Volume / 68cc Combustion Chamber 142# On Seat 600 Super Flow Bench at .600 Lift Intake 343 CFM and Exhaust 206 CFM Use Push Rod length checker to establish correct length. LS7 INTAKES ARE NOT COMPATIBLE HYDRAULIC ROLLER (Part# LS3-505) – PSK658-152-8-7 Up to .625 Lift CL #142 @ 1.80 OP #385 @ 1.15 C/BIND 1.03 O.D 1.29" Dual I.D 0.68 Specs Material Type Aluminum Sold in Quantity Each Finish Natural Cylinder Head Style Assembled Spark Plug Style Angle Intake Port Location Standard Intake Port Shape Rectangle Exhaust Port Shape Rectangle Exhaust Port Location Standard Number of Springs Per Valve Dual Retainer Material Chromoly Steel Lock Style 7 Degree Valve Stem Seal Material Viton Valve Stem Seal Type Positive Stop Valve Seat Material Powdered Metal Oiling Style Through Pushrod Valve Cover Mounting Style Center Bolt Combustion Chamber Volume 68cc Combustion Chamber Style Kidney Color Natural Valve Guide Material Manganese Bronze CNC-Machined Combustion Chamber No Intake Valves Included Yes Valve Spring Included Yes Damper Spring Included Yes Retainers Included Yes Locks Included Yes Rocker Arm Studs Included No Rocker Arm Nuts Included No Guideplates Included No Accessory Bolt Holes Drilled Yes Valve Seats Machined Yes Steam Holes Drilled No Machined for O-Ring No Heat Crossover No Valve Guides Included Yes Valve Stem Seals Included Yes Exhaust Valves Included Yes Rocker Arms Included No Intake Runner Volume Range 270cc - 279cc Exhaust Runner Volume Range 90cc - 99cc Combustion Chamber Volume Range 60cc - 69cc CNC-Machined Runners No Spring Diameter 1.29 Exhaust Valve Diameter 1.59 Maximum Lift 0.625 Intake Runner Volume 276cc Exhaust Runner Volume 92cc Intake Valve Angle 15 Exhaust Valve Angle 15 GTIN Code 850134007914 MFG. Part # LS3-505 Intake Valve Diameter 2.16 Related Items / Suggested Parts Chevrolet Performance 17800568 Cylinder Head Bolt Kit, LS3/4 Fel-Pro MS92438 Intake Manifold Gasket Set AC Delco 41-162 Iridium Spark Plug 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: 679 USD

Location: Lincoln, Nebraska

End Time: 2024-12-15T13:25:51.000Z

Shipping Cost: 0 USD