203-505 Cylinder Head for Small Block Ford, 180 cc Intake, 58 cc Chambers [Bare]

Name: 203-505 Cylinder Head for Small Block Ford, 180 cc Intake, 58 cc Chambers [Bare]
Brand: FLOTEK CYLINDER HEADS
SKU: 516-203-500
Price: 349.00 USD
Availability: InStock

^$349⁰⁰

Ships on Sep 03, 2026

Lowest Price Guarantee

Bare

Bare Aluminum Cylinder Head

Small Block Ford

Intake Ports: 180 cc

Combustion Chamber: 58 cc

For Intake Valve: 1.940 in.

For Exhaust Valve: 1.550 in.

Sold Individually

FLOTEK 203-500 Features:

FLOTEK 180cc small block Ford cylinder heads feature as-cast ports, up to 0.550 in. lift, and are designed for entry-level street performance applications operating in the idle-to-5500 rpm range. They come fully assembled and ready for a bolt-in installation; Replace your stock heads with high performance FLOTEK 180cc small block Ford cylinder heads. Order the model recommended for your engine application.

Single cylinder head
Available for 289, 302, and 351W engines
Will not accept stock pushrods
Thermactor plugs (EGR) not included
PAC, Manley, Comp Cam springs, and custom builds available
Specifications:
- Combustion Chamber Volume (cc): 58
- Intake Runner Volume (cc): 180cc
- Exhaust Runner Volume (cc): 62cc
- Cylinder Head Style: Bare
- Cylinder Head Material: Cast Aluminum
- Intake Port Shape: Rectangular
- Intake Valve Diameter (in.): 1.940 in.
- CNC-Machined Combustion Chamber: No
- CNC-Machined Intake Runner: No
- CNC-Machined Exhaust Runner: No
- Intake Port Location: Standard
- Exhaust Port Shape: Square
- Exhaust Port Location: Standard
- Intake Valves Included: No
- Exhaust Valves Included: No
- Exhaust Valve Diameter (in.): 1.550 in.
- Valve Springs Included: No
- Maximum Valve Lift (in.): 0.550 in.
- Damper Spring Included: No
- Retainers Included: No
- Locks Included: No
- Valve Stem Seals Included: No
- Rocker Arm Studs Included: No
- Rocker Arms Included: No
- Rocker Arm Nuts Included: No
- Guideplates Included: No
- Valve Cover Mounting Style: Perimeter Bolt
- Accessory Bolt Holes Drilled: Yes
- Intake Valve Angle: 20
- Exhaust Valve Angle: 20
- Valve Guides Included: Yes
- Valve Guide Material: Manganese Bronze
- Valve Seats Machined: Yes
- Valve Seat Machine Style: 3-Angle
- Valve Seat Material: Cast Alloy
- Cylinder Head Finish: Natural
- Steam Holes Drilled: No
- Oiling Style: Through Pushrod
- Machined for O-Ring: No
- Heat Crossover: Yes
- Remanufactured: No
- Quantity: Sold Individually
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

FLOTEK Performance Cylinder Heads for High-Performance Ford Engines

FLOTEK Performance Cylinder Heads are premium aftermarket aluminum cylinder heads engineered to boost horsepower, torque, and overall engine efficiency for muscle cars, street builds, and racing applications. Known for excellent airflow design, durable materials, and strong out-of-the-box performance, FLOTEK heads are a popular choice among enthusiasts and builders seeking value and power. Offering a wide range of configurations for popular Ford applications, all crafted with quality aluminum and precision castings, these heads feature thoughtful engineering like phosphorous bronze valve guides, high-nickel valve seats, and ports milled and drilled for accessories, delivering improved airflow and combustion. Fully assembled or bare options are available to suit both DIY builders and professionals.

Part TypeCylinder Head

Product LineFLOTEK Performance Cylinder Heads for Ford

BrandFLOTEK CYLINDER HEADS

Package Height7.0

Package Width9.0

Package Length22.0

Weight22.0 PG

Part CategoryPerformance Parts

Valve Springs IncludedNo

Cylinder Head MaterialCast Aluminum

Cnc-Machined Intake RunnerNo

Intake Valves IncludedNo