HSR SMOOTHBORE CARBURETOR KITS FOR BIG TWIN EVOLUTION AND TWIN CAM 88

45mm Performance Mikuni Carburetor Kit for Big Twin Evolution. Kit includes standard length manifold, manifold to carburetor adapter, K&N air filter, chrome filter cover, mounting hardware and instructions. Fits Big Twin Evolution 1984/1999. Uses OEM type throttle & idle cables for correct year (1984/1989 models must use 1990/1995 cables).
Part#:MU82086 ...$509.98 including free shipping*

45mm Performance Mikuni Carburetor Kit for Twin Cam. Kit includes standard length manifold, manifold to carburetor adapter, K&N air filter, chrome filter cover, mounting hardware and instructions. Fits Twin Cam 1999/Later. (use 1999/Late cables)
Part#:MU82087 ... $509.98 including free shipping*

HSR SMOOTHBORE CARBURETOR KIT FOR 100+ CUBIC INCH ENGINES

48mm Full Race Carburetor Kit is designed for 100+ ci engines. Includes adapter for two bolt S&S Super 'G' type intake manifold. Requires Big Twin 1990/1995 throttle cables. If mounting on a Big Twin Evolution 1993/Later, we recommend using our MU82438 head breather vent/air filter mounting kit (found on this page). If mounting on a TC 88, we recommend using our MU82435 mounting kit(found on this page). For maximum filtration use our MU84584 K&N brand air filter element (found on this page). This element is designed to be used with a Big Twin Evolution 8 inch round filter cover. If using a custom flat backed air filter with a 3 bolt mount, use our MU82882 adapter kit, available as an option when you click to purchase($23.48).
Part#:MU82001 ... $467.44 including free shipping*

Options:

Carb Kit only $467.44 Carb kit and MU82882 adapter kit custom use, 3 bolt mount $490.92

HEAD BREATHER VENT/FILTER MOUNT FOR BIG TWIN AND TWIN CAM - Mikuni

These kits are specially designed to be used with a Mukuni HSR carburetor and our MU84584 K&N air filter (found on this page). While providing excellent crankcase breathing through the heads into the air filter, it also adds a secure mount for the carburetor and air filter.
Chrome Plated for Mikuni HSR-42, 45 or 48 carburetors.

Part #: MU82438 Fits Big Twin Evolution 1993/Later Price...$92.51

Part #: MU82435 Fits Twin Cam 1999/2006 ...$92.12

HIGH FLOW AIR FILTER ELEMENT

K&N brand Filter Chargers® feature a 10 year million mile warranty and are emissions legal in all 50 states.

These high flow filters are designed to increase performance in both horsepower and throttle response by reducing air flow restriction while maintaining the filtration levels critical to ensure long engine life.
Not only will these filters improve the performance of a stock motorcycle, they are necessary when used in conjunction with performance upgrades such as low restriction exhaust, performance cam(s), carburetor kits or hotter ignition systems.

Part #: MU84584 - K&N, 7" O.D. x 3" width, Fits Mikuni HSR 42, 45 or 48mm with 8" O.D. round cover ...
$93.60

We also carry S&S Carburetors and Kits.

Breathers, mounts, carb brackets, stacks, etc. can be found on Air Page.