Supertech 7mm Stem Single Intake Exhaust Valve Guides Set of 16 BMW S14 Manganese Bronze subaru-baja 2x -4 ORB to 3/8"

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Supertech 7mm Stem Single Intake Exhaust Valve Guides Set of 16 BMW S14 Manganese Bronze subaru-baja 2x -4 ORB to 3/8"Supertech 7mm Stem Single Intake Exhaust Valve Guides BMW S14 S38 Manganese Bronze * Set of 16 * Brand: Supertech Manufacturer's Part Number: GDE BMS14 7*16 Stealth Ride Part Number: GDE BMS14 7*16 UPC: Description: Supertech 7mm Stem Manganese Bronze Intake & Exhaust Valve Guides Set BMW M3 E30 S14B23 Supertech Valve Guides are precision machined from high quality Magnesium Bronze material. These guides in combination with low friction nitrated