SU Needle Profile Chart | ALT 9601 | SU Specialists

SU Needle Profile Chart — Part Number: ALT 9601.

The definitive reference for SU carburettor metering needles. Contains over 700 needle profiles covering all needle categories:

• Fixed needles for 0.090", 0.100", 0.125" and 3/16" diameter jets
• Spring-loaded needles for 0.090" and 0.100" diameter jets

Indispensable when selecting or substituting needles for tuning or restoration. If you need to identify a needle by code, or find an alternative, this is the reference to use.

Official SU publication.