Flo-Tek 203505 Single Small Block Ford SBF 289 302 Aluminum Cylinder Head 58cc

$459.99 Buy It Now or Best Offer
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Seller Store speedway_motors
(294115) 99.5%,

Location: Lincoln, Nebraska
Ships to: US,
Item: 134129350906

Return shipping will be paid by:Seller
Returns Accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
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Flo-Tek:Flo-Tek
Type:Cylinder Heads
Material:Aluminum
Manufacturer Part Number:203505
Finish:Natural
California Prop 65 Warning:True

Features hardened locks and retainers, Head is compatible with most roller camshafts, Includes high-temp exhaust seats and bronze guides, Made from lightweight, yet strong aluminum with a natural finish, Intake valve diameter measures 1.940″ and the exhaust valve diameter measures 1.540″ Flo-Tek 203505 Small Block Ford Aluminum Cylinder Head Sku # 7223000 Mfr. Part # 203505 Condition New Brand Flo-Tek Sold Each Details Info You don’t need to spend a fortune to get a top-performing, lightweight aluminum cylinder head for your small-block Ford V8. This Flo-Tek head has a long list of high-end features, minus the hefty price tag. Will likely need to plug the EGR connection holes in the end of these heads on 86-up fords. Please use to do so. One set of plugs will do a pair of heads. Head is sold individually 180cc intake runners 62cc exhaust runners 1.94″ intake and 1.54″ swirl-polished exhaust valves 58cc chambers Performance valve springs (.550 lift) 130 lbs. spring seat pressure Compatible with most roller camshafts Hardened locks and retainers PC seals High-temp exhaust seats Multi angle valve job Bronze guides 3/8″ rocker studs and guide plates See how this Flo-Tek head stacks up against the competition in Car Craft Magazine’s tech article; . Head Flow Specs: Lift Intake Exhaust .400 209 137 .500 223 161 .600 248 191 Specs Recommended Spark Plug: NGKR5671 or Autolite AR3932 Valve Spring Type: Single w/ Damper Valve Spring Application: Hydraulic & Solid Flat Tappet Valve Spring Diameter: 1.465″ O.D. Valve Spring Seat Pressure: 130 lbs. Valve Spring Rate: 280 lbs/in. Intake Valve: 1.94″ Exhaust Valve: 1.54″ Valve Type: Stainless, Swirl-Polished Air Flow Data: Intake 223 CFM @ .500″ 248 CFM @ .600″ Exhaust 161 CFM @ .500″ 191 CFM @ .600″ Application This Part Fits Recommended Spark Plug: NGKR5671 or Autolite AR3932 Valve Spring Type: Single w/ Damper Valve Spring Application: Roller Valve Spring Diameter: 1.465″ O.D. Valve Spring Seat Pressure: 130 lbs. Valve Spring Rate: 240 lbs/in. Max lift: 0.550″ Intake Valve: 1.94″ Exhaust Valve: 1.54″ Valve Type: Stainless, Swirl-Polished Air Flow Data: Intake 223 CFM @ .500″ 248 CFM @ .600″ Exhaust 161 CFM @ .500″ 191 CFM @ .600″ Installation Tips These Flo-tek aluminum heads are the answer to the performance enthusiast and work on the small block Fords including the later EFI series when used in conjunction with an aftermarket intake, carb, and camshaft. Aluminum heads allow for a higher compression ratio than cast heads without creating pre-ignition problems. Check your piston usage with the 58cc combustion chamber for accurate ratio computation. If using the heads on a 289 or 302 the upper row is 80 pounds net and the lower is 70 pounds. Torqued in stock sequence and increments. If using on the 351 with the larger bolts it is 100 pounds net torque in same sequence and increments as stock. The head uses 3/8 rocker studs and requires the use of adjustable rocker arms like our part number: . You will need to check your push rod length to determine the correct length before ordering pushrods. Depending on the how much extra lift you are going to go with, you may also need different valve spring retainers that allow for more valve spring installed height 289 and 302 engines with 7/16” head bolts use 1012543708. 351W engine with ½” head bolts use 590HBK35100. These Flo-Tek aluminum heads for the small block Ford are specified to take plug number NGKR5671 or Autolite AR3932 Valve springs are suitable for most hydraulic flat tappet and mild street hydraulic roller camshafts Specs Material Type Aluminum Sold in Quantity Each Finish Natural Cylinder Head Style Assembled Spark Plug Style Angle Combustion Chamber Volume 58cc MFG. Part # 203505 Intake Valve Diameter 1.94 Exhaust Valve Diameter 1.54 Spring Diameter 1.47 Intake Runner Volume Range 180cc – 189cc Exhaust Runner Volume Range 60cc – 69cc Combustion Chamber Volume Range 50cc – 59cc Exhaust Runner Volume 62cc Intake Runner Volume 180cc Notes Recommended Spark Plug: NGKR5671 or Autolite AR3932 . Bored for 1/2″ head bolts. GTIN Code 850134007075 Reviews Good head for the price Rated by TS on February 07, 2022 Summary: Putting these on a 302 sbf thats going into a pinto wagon. The heads seem like a good quality especially for the price. Yes, I recommend this product. Great product Rated by Bones on January 05, 2022 Summary: 302 ford need step down bolts because the head bolt holes are bigger than the 302 small block bolt holes. Not a big problem but an added expense. Yes, I recommend this product. Nice looking head Rated by Ac postmaul on August 11, 2021 Summary: Nice looking head. Should be nice setup for not a ton of money. No, I would not recommend this product. Excellent heads for the money Rated by Lobsterdude725 on July 29, 2021 Summary: You get all the expensive head features at half the price. I would definitely recommend these for the small block Ford Yes, I recommend this product. Perfect for my project! Rated by Adrian on May 15, 2020 Summary: Ive been wanting to try Flotek for a while and finally the right project/need came along. Did not disappoint at all. Excellent value for an excellent casting assembled very well with quality components. Perfect for a solid street build. Very similar to Fords aluminum GT40s from back in the day. Pros: Excellent build quality Good Value Yes, I recommend this product. Related Items / Suggested Parts ARP 254-3708 Ford 302 w/ 351 Windsor Aluminum Cylinder Heads Bolt Kit Fel-Pro 1011-1 1962-1984 Small Block Ford Head Gasket Fel-Pro 1250 Small Block Ford Intake Gasket Set-1.20×2.00 Port 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.

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