Chevy Small Block Chrome Steel Hex Head Intake Manifold Bolt Kit

• Set of 12 chrome steel hex head bolts for a complete intake manifold install.

• Includes washers; 1" thread length supports proper clamp load across the flange.

• Fits Chevy SBC Gen I, Gen II LT-based, and GM 90° V6 3/8"-16 bolt patterns.

• Chrome finish gives the engine bay a clean, finished look over stock hardware.

This TSP Chevy Small Block Chrome Steel Hex Head Intake Manifold Bolt Kit includes twelve 3/8"-16 hex head bolts with a 1" thread length and matching washers, sized to install an intake manifold on the Chevrolet small block V8 family. The 1" thread length is built to support proper clamp load across the intake flange without bottoming out in compatible cylinder heads.

This kit fits the Chevrolet Small Block V8 Gen. I across its full displacement range — 262, 265, 267, 283, 302, 305, 307, 327, 350, and 400 CID — as well as the LT-based Gen. II in 265 and 350 CID, and the GM 90° V6 in 200, 229, and 262 CID. Before installing, verify head style, torque sequence, gasket thickness, and manifold flange depth against your specific engine combination.

Common uses include street performance builds, restoration projects, and custom engine assemblies where a complete, correctly sized chrome bolt set is needed for intake installation.

Fastener Specs
Twelve 3/8"-16 chrome steel hex head bolts, 1" thread length, washers included.

Installation
Verify head style, torque sequence, gasket thickness, and manifold flange depth before final assembly to confirm the 1" thread length is correct for your combination without bottoming out in the head.

What size are these bolts?
This kit includes twelve intake manifold bolts with matching washers. Each bolt features a 3/8"-16 thread and a 1-inch length.

Will this fit my aftermarket aluminum heads?
It depends. Aftermarket aluminum cylinder heads can have different intake flange thicknesses and bolt hole depths than factory cast iron heads. Verify your cylinder head design and required bolt length before installation.

Does this fit a Gen II LT-based small block?
Yes. This bolt kit is compatible with GM Gen II LT-based 265 CID and 350 CID small block V8 engines.

Can this be used with a GM 90° V6?
Yes. This kit also fits GM 90-degree V6 engines, including the 200, 229, and 262 CID applications.

Are washers included, or do I need to buy them separately?
No additional purchase is necessary. The kit includes all twelve bolts along with matching washers.

Is the chrome finish just cosmetic?
Yes. The bolts are manufactured from steel with a chrome-plated finish for corrosion resistance and appearance. Because the listing does not specify a bolt grade or strength rating, the chrome finish should be considered an appearance and corrosion-protection feature rather than a performance or strength upgrade.