Integrated Engineering 2.5L 5 Cylinder Valve Spring | Retainer KitIntegrated Engineering is proud to bring you this very high quality valve spring kit for VW 2. 5L I5 engines. This kit features spring rates which are optimized to match your vehicle specifications and provide proper valve control even under high revving applications. Increasing your engines power output often comes with modifications that require more RPMs to get the most out of it, such as larger turbochargers, tuned intake manifolds and bigger

For more advanced enthusiasts

However it can be converted to a Touring Edition

Buying software with this kit

8 99 thru 2000BMW Z4 2

1J0-867-171-A-R48 / 1J0867171 A R48 / 1J0 867 171 A R48/ 1J0867171AR48

resonance tuning

and 3D modeling software

Available with polished silver or diamond black tips

Inside Diameter: 60mm ID Length: 160mm Spring Rate: 90 N/mm or 514 lbs/inch

304 stainless steel tips

3B0-121-321 / 3B0 121 321 / 3B0121321

Fits perfectly over any factory Fuba style antenna with 5mm threaded base