Flo-Tek 203-5052 Assembled S/B Ford Aluminum Cylinder Head

Description

Designed specially for the 289,302, 351 Windsor engines, Made from lightweight, yet durable aluminum, Rocker arms are made from Blumax SBF aluminum and come with a 1.5:1 3/8 Stud, Has a hardened steel FLOTEK two-piece adjustable guideplate, Both the intake and exhaust valves feature a cast alloy construction
Flo-Tek 203-5052 Assembled S/B Ford Aluminum Cylinder Head
Sku # 7223202
Mfr. Part # 203-5052
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. The RPM range for this head is idle-5500. This Flo-Tek head cannot be used with stock pushrods.
Works on 289,302, 351W
Idle-5500 RPM range
2.02 Intake Valve
Sold each
Details
Head Bolt Torque 50-65-80 Ft-Lb, 75 Ft-Lb on Bottom (Permatex#80631)
Rocker Stud Torque 45- 50Ft-Lb
Intake Port Gasket Fel Pro 1262
Exhaust Port Gasket Fel Pro 1487, MS15129Y
Head Gasket Fel Pro 1011-1 or 1011-2, M6051-050
Head Bolts & Studs ARP154-3605 (302), ARP154-3603 (351W), ARP254-3708
Head Bolt Washers EDL 9680 (302)
Suggested Manifold Performer RPM or Weiand Street Warrior
Spark Plug Starting Range NGK R5671A/4091, AGSF-32C or Equivalent (hotter or colder)
Intake Port Volume 180cc
Exhaust Port Volume 62cc
Combustion Chambers 58cc
Max Spring Pocket Diameter 1.685”
Rocker Arms Blumax SBF Aluminum, 1.5:1 3/8 Stud, Must have clearance for Retainers
Intake Valve 1.94 or 2.02
Exhaust Valve 1.55
Valve Spring FT CL 120# @ 1.800, OP#[email protected]? C/Bind- 1.160
Valve Spring CL 130# @ 1.75, OP 310# @ 1.25, C/Bind- 1.160
Retainers 7 Degree Chrome Moly Retainer
Valve Locks 7 Degree Chrome Moly Locks
Rocker Stud 3/8” Chrome Moly Rocker Stud, 7/16” avail.
Guideplate Hardened Steel FLOTEK Two-piece adjustable Guideplate
Valve Seals Viton Positive Seals
Spring Cup Hardened Steel Cups
Intake Valve Seat Cast Alloy
Exhaust Valve Seat Cast Alloy
Bronze Valve Guides Manganese Bronze
Weight
Small Block Ford Bare 18.6 Pounds
Small Block Ford Assembled 24.4 Pounds
Length 22”
Width 7”
Height 8.5”
California Customers: This part has been identified as emissions sensitive and can only legally be installed on race-use only vehicles, off-road-use only vehicles, or pre-1965 vehicles in the State of California in accordance with the California Air Resource Board (CARB) requirements. Once your order is placed you will be contacted by Speedway Motors within 2 business days so that you can certify that you will only use such parts on these types of vehicles in California.
Specs
Material Type
Aluminum
Cylinder Head Style
Assembled
Combustion Chamber Volume
58cc
Valve Guide Material
Manganese Bronze
Intake Valves Included
Yes
Valve Spring Included
Yes
Intake Valve Diameter
2.020
Exhaust Valves Included
Yes
Rocker Arms Included
No
Combustion Chamber Volume Range
50cc - 59cc
Stud Diameter
1.375
Exhaust Valve Diameter
1.550
Reviews
Great heads
Rated
by Tim on December 23, 2020
Summary:
Great power nice product
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-1.20x2.00 Port
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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 69 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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