Supertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mm NO-DISCOUNT Dyno Proven gains of up

Dyno Proven gains of up to 21 hp and 18 lb-ft

Mishimoto Powerstroke hoses are constructed from a combination of high-grade silicone and four layers of heat-resistant embedded fibers to provide the ultimate upgrade in reliability

AIRTEC Motorsport are proud to launch our new and improved replacement J-pipe for the M2 Competition

Injen 15-20 BMW M3/M4 3

Quality exchange OEM turbochargers remanufactured in our shop

Supertech Ford/Mazda Duratec Single Valve Spring Kit - 55lbs at 35mm NO-DISCOUNT Dyno Proven gains of upManufacturer Part # : SPRK TS DUR DS Product Description Short Supertech Ford Mazda Duratec Single Valve Spring Kit 55lbs at 35mm