Victor Reinz Cylinder Base Gasket for Porsche 911 (1974–1977)

This Victor Reinz Cylinder Base Gasket is a direct-fit replacement for Porsche 911 applications from 1974–1977 listed in the fitment table below. This sealing component helps restore a clean seal at the specified joint, reducing the chance of fluid, air, or exhaust leakage after service.

Victor Reinz has been a trusted name in engine sealing technology for decades, supplying gaskets, seals, and sealing systems used by European vehicle manufacturers including Porsche. As part of the Dana Incorporated group, Victor Reinz products are developed to meet strict OEM specifications for material performance, sealing integrity, and long-term durability.

Technical Details

• Manufacturer part number: 70-23907-20
• Brand: Victor Reinz
• Type: Cylinder Base Gasket
• Application range: Porsche 911 (1974–1977)
• Function: Restores the sealing surface at the specified joint

Fitment & Compatibility

Review the fitment table below for the exact year, model, submodel, and notes tied to this part. If there is any question on fitment, send us your VIN and PMB Performance can help verify the application using more than 20 years of Porsche parts experience.

Year	Make	Model	Submodel	Notes
1974	Porsche	911
1975	Porsche	911
1976	Porsche	911	S
1977	Porsche	911	S