High-Performance Bosch Fuel Injectors Flow-Matched for Harley-Davidson
Genuine Bosch fuel injectors flow-matched to ±1% for your specific Harley-Davidson engine application. Sold as a set of 2.
Part Description
Fuel delivery consistency depends on the fuel injector. Every fuel injector set is individually dynamically flow tested and matched to within ±1% of its listed spec, so both cylinders get the same fuel and your tune holds up. Built on genuine Bosch injectors with a spray pattern designed specifically for your Harley-Davidson application. These are an exact-fit OEM upgrade that installs without hardware modification. Tuning is required when upgrade fuel injector flow.
Fuel Injector Size Recommendations:
M8 Gen 1 stock up to ~115-120HP -- use stock injectors (4.3 gm/sec)
M8 Gen 1 120HP up to ~145HP -- recommended upgrade to 5.5 gm/sec
M8 Gen 2 stock up to ~145HP - use stock injectors (5.5 gm/sec)
M8 Gen 1/Gen 2 above 145HP+ -- recommended upgrade to 6.3 gm/sec
M8 big bore above 165HP -- ask us (info@starracing.com)
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