Short, lightweight pumps dissipate heat more rapidly and equalize water flow to both sides of the engine. Billet steel fan hub and bosses for external water lines are included. Note: ALL31100 pump is not recommended for use with mechanical fans over 5000 RPM. Above this RPM, use the ALL31105 pump with a 3/4" bearing. Water pumps may need to be clearanced for use with 8" dampers.
THIS PUMP IS NOT RECOMMENDED FOR USE WITH MECHANICAL FANS
OVER 5000 RPM. APPLICATIONS ABOVE THIS RPM SHOULD USE THE
ALL31105 PUMP WITH A 3/4" BEARING.
FROM BLOCK MOUNTING SURFACE TO OUTSIDE OF PULLEY FLANGE
MEASUREMENT IS 5-5/8".