Chevy Small Block Chrome Steel Intake Manifold Bolt Kit

• Set of 12 chrome steel 6-point bolts for a complete SBC intake 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 thread.

• Standard 6-point head works with common wrenches and sockets.

This TSP Chevy Small Block Chrome Steel Intake Manifold Bolt Kit includes twelve 3/8"-16 6-point 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 standard chrome bolt set is needed for intake installation.

Fastener Specs
Twelve 3/8"-16 chrome steel 6-point 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 6-point (hex-head) intake manifold bolts with matching washers. Each bolt features a 3/8"-16 thread and a 1-inch length.

What's the difference between this and the 12-point or Allen-head SBC kits?
All three kits use the same 3/8"-16 thread, 1-inch bolt length, and fit the same Chevrolet small block and compatible GM V6 applications. The only difference is the bolt head style. This kit features standard 6-point hex-head bolts, while the other kits use either 12-point or Allen (socket-head) bolts. The choice comes down to your preferred tool engagement and clearance requirements during installation.

Will 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?
Yes. The kit includes all twelve intake manifold bolts along with matching washers.

Do I need a special wrench or socket for these bolts?
No. The standard 6-point hex-head bolts are designed to work with common wrenches and sockets, so no specialty tools are required for installation.