Aluminum Fluent Carburetor Short Reducer ( For OS ) (4.5 to 9.0mm)
$8.96
Made of high-quality aluminum with anodized finish, compatible with OS series methanol engine carburetors.
10 bore sizes available: 4.5/5/5.5/6/6.5/7/7.5/8/8.5/9mm in 0.5mm increments.
Precision CNC machined with smooth internal flow path for low intake restriction; original-matched threads for reliable airtight fit.
Swap the intake nipple to adjust airflow and fine-tune idle, mid-range and top-end power characteristics.
