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1977-1982 E21 320 / 326
40mm Exhaust Full Race 330° Intake / 330° Exhaust 12
Step 3: Tighten to 110 ft-lbs
82 A/R with 3" V-Band discharge
BMW N54 Valves by Ferrea Options:Triple Groove - 31.5mm Intake / 28mm Exhaust 1977-1982 E21 320 / 326Ferrea Competition Plus Valves are known for being one of the most dependable extreme duty valves available, engineered specifically for BMW N54 engine. Crafted from aerospace grade alloys like EV8 Z18, these high performance valves deliver superior tensile strength and reliability, perfect for pushing your engine to the limit. Ferreas exclusive two step slow forging process optimizes grain flow, reducing stress in the material for unmatched
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