Engine cylinder head exhaust valve kit, SET OF 6. Porsche 964 Carrera 2 / Carrera 4

Engine cylinder head exhaust valve kit. 
The cylinder head stud set contains six studs designed to secure the cylinder heads to the engine case on Porsche 964 air-cooled flat-six engines. Ideal for top-end rebuilds, individual stud replacement, or refresh work on a single cylinder bank, this 6-piece set ensures accurate torque retention, head stability, and reliable sealing under all driving conditions.
Kit includes exhaust valve x 6

Fits:
Porsche 964 Carrera 2 / Carrera 4 - 1989 to 1994 (M64.01 / M64.02)
Porsche 964 RS - 1991 to 1994 (M96.03)

Diagram Ref No 12.

Original head studs can fail due to age, heat cycles, or corrosion, leading to:
•  Head leakage and loss of compression
•  Popping noises or exhaust blow-by at the head joint
• Cylinder/head misalignment
Risk of engine damage if not corrected Installing new  studs restores proper clamping force, ensures sealing integrity, and protects the engine from costly damage.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

96410541904

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