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Supertech BMW S54 Dual Valve Spring Kit (w/SEAT-BMS55) turn14-oos 550 rpm have been recorded

Supertech BMW S54 Dual Valve Spring Kit (w/SEAT-BMS55) turn14-oos 550 rpm have been recordedManufacturer Part # : SPRK 2521 2BM ST Product Description Short Supertech BMW S54 Dual Valve Spring Kit (w SEAT BMS55)

SKU: 83027931129 · From webdevsolutions.tech

4.8
USD810.00 USD852.00

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Description

550 rpm have been recorded when tested on The Akrapovic dyno against a BMW M5 with a standard stock exhaust

4 HP/Torque Gains +4

Filter 5in

unlike spring loaded designs

Supertech BMW S54 Dual Valve Spring Kit (w/SEAT-BMS55) turn14-oos 550 rpm have been recordedManufacturer Part # : SPRK 2521 2BM ST Product Description Short Supertech BMW S54 Dual Valve Spring Kit (w SEAT BMS55)

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