BMW 3er 1975-1983 Type E21 for handheld Ø 51 mm H&R Susp.the adjustment.Monotube coilovers 40-65 mm /HA 30-55 mm

BMW 3er 1975-1983 Type E21 for handheld Ø 51 mm The OE front struts have to be sent in advance H&R Adjustable Roscada Suspension Monotube coilovers VA 40-65 mm / HA 30-55 mm

General features of the H&R Monotube

• Amortised with an inverted monotube architecture, from the same used in automotive competition.

• The Double Piston with greater section than conventional amortisers with a cylindrical body to ensure better cooling of hydraulic fluid.

• Nitrogen at High Pressure in a camera separated by a double floating piston with multivulse plates that regulates the passage of the oil in a reverse proportion to the work speed of the amortizator.

• Allied high-quality special metals that give the amortizator a long life and an extreme fatigue resistance.

• The H&R sports suspension are manufactured with special crom silicon steel material returned to the high hardness oil temple and vanadium crom silicon alloys in a cold air process.

• By Muelles progressive it has been developed in a lot of trials. Each step of the manufacturing process is exactly oriented to coupling to the sensitivity of the materials: the correct thermal treatment (300°), the improvement of the lifetime through the shot peening of steel balls, the pre-setting adjustment and zinc phosphate.

• High Quality HydraulicsThe.The H&R hydraulics used are of high quality and have an extremely high boiling point that makes them very resistant to cavitation with the high working temperatures.

• 5 years guaranteeThe.All these manufacturing processes are verified one by one, which allows you to maintain a high quality standard.