Triumph Bonneville Billet Crossover Manifold -Flange to Spigot

Designed to adapt your 1971-1/2 and later Triumph Bonneville from a flange-type manifold to a spigot-type manifold. Great for a Mikuni carburetor conversion. This flange to spigot adapter set with crossover increases performance with balanced airflow at low speeds. All of our manifolds are designed and tested on a Superflow test bench for the best possible performance. Proudly designed and made in the U.S.A. by M.A.P. Cycle.

• Balances air flow at low speed
• Billet 6061 Aluminum body
• Internally tapered with carb side radius for best flow
• Allows for use of vacuum gauges for precise carb balance
• 2" Center to Center Mounting
• .90" Overall Length
• 1.235" ID at Head
• 1.22" ID Radiused out to 1.35"
• Works with 30-32mm Carbs

Includes:

• Manifold (1) RH & (1) LH
• Button Head Stainless 5/16 x 18 x 1" Allen Mounting Screws (4) - For 1971.5 and later
• Mounting Gasket (2)
• Crossover Hose

Please note:

• Must use included button head screws and MAP0573 rubber manifold adapters for proper clearance
• Designed to work with Mikuni VM30-32 carburetors - any other carburetor combination may not work