Piston ring set, 90 mm. (1.5/1.75/4 mm.) 911 2.7 L + 911 S 2.7 L K-Jetronic (74-77)

Our piston ring set for 1 piston is used on the following vehicles :

Porsche 911 2.7 L (1974-1977)              

Porsche 911 S 2.7 L (1974-1977)

Porsche 911 S 2.7 L Carrera (1975) (USA-CAN-CAL)     

Note : This ring set for 1 piston is suitable for 2.7 L engines equipped with the K-Jetronic (or CIS) fuel injection system only.

This 3-piece piston ring set is suitable for the following engine types with K-Jetronic (CIS) fuel injection :

- For the Porsche 911 2.7 L :

Engines Type 911.92, 911.97 (Sportomatic) - 2.7 L and 110 Kw  (150 horsepower) 

Engines Type 911.41, 911.46 (Sportomatic) - 2.7 L and 110 Kw  (150 horsepower) 

Engines Type 911.81, 911.86 (Sportomatic) - 2.7 L and 121 Kw  (165 horsepower) 

- For the Porsche 911 S 2.7 L :

Engines Type 911.93, 911.98 (Sportomatic) - 2.7 L and 129 Kw  (175 horsepower) 

Engines Type 911.94, 911.99 (Sportomatic) - 2.7 L and 121 Kw  (165 horsepower) 

Engines Type 911.82, 911.87 (Sportomatic) - 2.7 L and 121 Kw  (165 horsepower) 

Engines Type 911.42, 911.47 (Sportomatic) - 2.7 L and 110 Kw  (150 horsepower)  

Engines Type 911.85, 911.90 (Sportomatic) - 2.7 L and 121 Kw  (165 horsepower)  

Engines Type 911.81, 911.86 (Sportomatic) - 2.7 L and 121 Kw  (165 horsepower) 

Engines Type 911.84, - 2.7 L and 121 Kw  (165 horsepower) 

- For the Porsche 911 S 2.7 L Carrera :

Engines Type 911.43, 911.48 (Sportomatic) - 2.7 L and 121 Kw  (165 horsepower) 

Engines Type 911.44, 911.49 (Sportomatic) - 2.7 L and 118 Kw  (160 horsepower) 

Piston ring diameter : 90 mm.

Ring thickness :       Scraper ring, (compression), groove 1 : 1.5 mm.                                       Scraper ring, (compression), groove 2 : 1.75 mm.        

         Oil Ring (lubrication), groove 3 : 4 mm.

The lubrication oil ring is coil spring-loaded along its perimeter and has 2 symmetrical bevelled edges.

6 of these piston rings sets are required per vehicle.

Note : this 3-piece piston ring set is sold separately.