F.S.P SBC Stainless Steel Header Bolt Kit 1in 3/8-16 for Chevy V8 Small Blocks
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Description
xOverview
Upgrade your exhaust header hardware with the F.S.P SBC Stainless Steel Header Bolt Kit. Crafted from high-grade 18-8 stainless steel, these 3/8-16 x 1” bolts and matching washers are built to endure engine heat and road-time, helping you secure aftermarket headers across a broad range of Chevrolet small block V8 engines.
Designed for Chevy small block engines and related V8s from 1955 through 1998, including LT1, LT4, TPI, and TBI variants, these bolts also work with Pontiac, Buick, and Oldsmobile engines that use aftermarket headers. They are not intended for factory cast iron exhaust manifolds.
Material and finish matter when you’re wrenching on a tight install: the kit uses high-grade 18-8 stainless steel, delivering a corrosion-resistant surface that resists rust and staining. The bolts and washers are a simple, reliable solution for maintaining proper header alignment and security over time.
Key compatibility and design details
- Works with aftermarket headers featuring up to 1/2 inch thick flanges, including 265 to 400 cubic inch Chevy small blocks (OEM manifolds are not supported).
- Compatible with Pontiac, Buick, and Oldsmobile V8 engines using similar header designs.
- Locking threads and stainless finish reduce corrosion and service downtime.
- Uses a 5/16 inch Allen wrench for installation and removal.
What’s included and material benefits
- 12 x 3/8-16 x 1 inch stainless bolts
- 12 stainless washers for proper load distribution
- 18-8 stainless steel construction resists rust and staining
- Designed for headers with up to 1/2 inch thick flanges
Note: For best results, follow your header manufacturer’s torque specs and verify flange compatibility with your exact engine and header setup. This kit offers a robust, maintenance-friendly option for those upgrading or replacing header hardware on a variety of classic and modern small-block V8s. The stainless material helps maintain a clean, professional look under the hood, while the durable finish supports reliable performance in heat, humidity, and road conditions.
FAQ
Q: Which engines does this bolt kit fit?
A: Fits Chevrolet small block V8 engines from 1955–1998, including LT1, LT4, TPI, TBI, and Vortec 5.0/5.7, plus other V8s using aftermarket headers.
Q: What’s included and what material is used?
A: Twelve 3/8-16 x 1 inch stainless bolts and twelve washers; made from 18-8 stainless steel for corrosion resistance.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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