OE-Style K-Series Header Bolt Kit – K20 K24 – 5 Bolts

Replace missing, worn, or damaged header bolts on your Honda / Acura K-Series engine with this OE-style 5-piece header bolt kit. Designed for select K20 and K24 engines, this bolt kit is used for the cylinder head to header / exhaust manifold mounting location.

This kit is a practical replacement option during header installation, exhaust manifold service, engine swaps, or K-Series maintenance. The bolts feature Grade 10.9 strength and a 14mm hex head size for a factory-style service fit.

This listing includes 5 bolts. If your cylinder head currently uses header studs, the studs must be removed before using this bolt kit.

Features

• OE-style K-Series header bolt kit

• Manufacturer part number: BOLT-HDR-K-SI

• Includes 5 bolts

• Fits select Honda / Acura K-Series engines

• Used for header / exhaust manifold mounting

• Grade 10.9 bolt strength

• 14mm hex head size

• Useful for header installs, exhaust manifold service, engine swaps, and replacement hardware

• Practical replacement for missing, worn, or damaged header bolts

Engine Fitment

K20A
K20A2
K20A3
K20Z1
K20Z3
K24A2
K24A4

Important Fitment Note

If your cylinder head currently has header studs installed, the studs must be removed before using this bolt kit. Confirm cylinder head, header flange, exhaust manifold setup, and thread condition before installation.

What’s Included

• 5 OE-style K-Series header bolts

• Part number: BOLT-HDR-K-SI