Engines and Components Cylinder Heads and Components

FLO-TEK

SBF 185 Thumper Cyl Head ALuminum - Assembled

$539.00

SKU: F03S 185-505

In Stock
In Stock
Ships by Sep 2
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Flo-Tek 185-505 is an assembled aluminum cylinder head for Small Block Ford engines. It features 2.020 in intake and 1.600 in exhaust valves, with 185 cc intake runners and a 62 cc combustion chamber. This Thumper series head is designed for street performance applications and includes 1.460 in springs with an angle plug configuration.
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SBF 185 Thumper Cyl Head ALuminum - Assembled

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandFLO-TEK
Part NumberF03S 185-505

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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