Part number KPR-5/7S Supertech 5mm single groove valve keeper (lock) Price is for 1 pc. (2 pcs. needed for one valve) BMW - 3.0 Turbo (N54B30) Opel / Vauxhall - 1.6 (Z16LER) Mini Cooper R56 - 1.6 Turbo (N14B16A, N14B16C, N18B16C)
Valve springs data Installed seat pressure - 38kg Load - 100kg@12.5mm Max. lift - up to 13mm Made from chrome-silicon steel SAE9254-V Outer spring outer diameter: 30.50mm Outer spring inner diameter: 23.20mm Inner spring outer diameter: 21.20mm Inner spring inner diameter: 16.20mm 12 pcs. outer springs 12 pcs. inner springs With this set the risk of valve flutter and a possible engine failure is minimized.
Part number KPR-6T-ST Supertech 6mm single groove valve keeper (lock) Price is for 1 pc. (2 pcs. needed for one valve) Subaru WRX STI - 2.0 2.5 (EJ205, EJ255, EJ257) Mini Cooper R56 - 1.6 Turbo (N14B16A, N14B16C, N18B16C)
With this set the risk of valve flutter and a possible engine failure is minimized. Recommended for engines with series and racing camshafts and over 7500 RPM.
Load - 100kg@12.5mm Max. lift - up to 13mm Made from chrome silicone steel SAE9254-V Outer spring outer diameter: 30.50mm Outer spring inner diameter: 23.20mm Inner spring outer diameter: 21.20mm Inner spring inner diameter: 16.20mm 8 pcs. outer springs 8 pcs. inner springs Fits all 4 cylinder 1.8-2.0 8V VW / Audi engines With this set the risk of valve flutter and a possible engine failure is minimized. Recommended for engines with series and racing camshafts and over 7600 RPM. Can also be used together with standard or FCP titanium retainers.