Main Jets Adjustable

3 products

Our adjustable main jets for Harley-Davidson — listed under Air Intake — are the same specialty fine-tuning jets that let a rider adjust fuel metering without changing out a fixed jet on a Harley-Davidson carburetor. Iron Stable is run by Iron City Motorcycles, an authorised Harley-Davidson dealer in Leeds, and this small section is supplied by MCS. Fitments cover 1976–1989 Big Twin and 1976–1987 XL Sportster with OEM Keihin carburetor, 1971–1976 Harley-Davidson with Bendix carburetor, and S&S Super B and D carburetors. Useful on any carb-era Harley-Davidson regularly ridden at different altitudes. Browse the full range below.

OEM Replacement Parts OEM Only — Active Genuine H-D & replacements Tap to clear filter Custom & Performance Aftermarket Only — Active Upgrades & Aftermarket Tap to clear filter
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