Genuine GM Holden VT VX VY LS1 5.7L V8 Head Gasket Bolt Kit 12498544 12498545

Genuine GM Holden LS1 5.7L V8 Head Gasket & Head Bolt Kit

Brand New Genuine GM Parts – Made in the USA

Complete cylinder head gasket and bolt kit for early Holden LS1 5.7L Gen 3 V8 engines.

Part Numbers:

• 12498544 – Genuine GM Cylinder Head Gaskets (Pair)

• 12498545 – Genuine GM Cylinder Head Bolt Kits (Quantity 2)

Kit Includes:

• 2 x Genuine GM Cylinder Head Gaskets

• 2 x Genuine GM Head Bolt Kits (one kit per cylinder head)

Vehicle Fitment:

Holden Commodore

• VT Series II – LS1 5.7L V8

• VX – LS1 5.7L V8

• VY – LS1 5.7L V8

Holden Statesman / Caprice

• WH – LS1 5.7L V8

• WK – LS1 5.7L V8

Engine Compatibility:

• LS1 5.7L Gen 3 V8

• Early LS1 engines only (approximately 1999–2004)

Important Fitment Information:

This kit contains the early LS1 cylinder head bolts (P/N 12498545).

Although the head gaskets are compatible with later LS1 applications, these head bolts are designed for early LS1 engines only.

Not suitable for later LS1 engines fitted to VZ Commodore or WL Statesman/Caprice models.

Product Features:

• Genuine GM OEM components

• Brand new, unused condition

• Complete gasket and head bolt kit for both cylinder heads

• Manufactured to GM factory specifications

• Suitable for cylinder head replacement and engine rebuilds

• New head bolts supplied for installation

Quality & Reliability:

Genuine GM components provide factory-specification fitment and sealing performance. This complete kit includes the cylinder head gaskets and replacement head bolts required when removing and refitting both cylinder heads on compatible early LS1 engines.