Reinforced Valve Springs BMW E36 E46 E39 E60 Z3 Z4 M50 M52 M54

The reinforced springs kitSUPERTECHis composed of24 Springs, 24 cups and 24 seatsand the kitCATCAMSis composed of24 Springsand 24 cups.

Technical characteristics

• Springs type: double
• Outside diameter Spring inside: 22.20 mm
• Inner diameterIndoor spring: 16.80mm
• Spring outer diameteroutside: 30.20 mm
• Inner diametersprings outside: 22.20 mm
• Tare / Length mounted: 30.39kg @ 35.70mm
• Tare / lift: 87.09kg @ 10.00mm
• Max lift: 13.50mm
• Reference: SPRK-H100DR-BM

Supertech Valve Springs are made from high quality chrome silicon vanadium steel alloy. This alloy has the advantage of offering superior performance and reliability, especially at high speeds, and has better structural memory. Supertech Reinforced Valve Springs are computer designed to ensure harmonics remain under control and stress levels remain within material fatigue diagrams.

The Supertech cups are made of titanium alloy and machined by numerical control in order to obtain the best fit.

Technical characteristics

• Springs type: single
• External diameter of the Spring: 30.10 mm
• Inner diameter ofsprings : 22.10mm
• Tarage springs: see below
  
• Cup material: steel
• Reference PAC-SM50: PAC-S99843, 99468/S

The eXPertise of Catcams on Camshafts and its accessories (Valve Springs, Mechanical Tappets, Adjustable Pulley, etc.) has been recognized worldwide for several years thanks to its know-how and precise study of engines and Applications. Indeed, each Camshaft Profile and Springs calibration have been developed according to the specificities of each engine but also according to the use/Applications (road, Sport, rally, run, circuit, etc.).

Depending on the Models, the Catcams Springs cups are made of steel or Aluminum.