Chevy Big Block Serpentine Conversion Ultra; Long Water Pump

We named this kit the “Ultra” for a reason — it has everything a car enthusiast could need when it comes to Chevy big block engine performance.

• With an optional power steering bracket and low A/C on the passenger side, this pulley and bracket kit for Chevy big block engines looks clean and compact.
• There is no need for belt throwing anymore, as this serpentine system replaces your weaker V-belt with parts machined from solid billet 6061-T6 aluminum.
• The Ultra comes with options for driver-side A/C mounts, a larger crank pulley, and a power steering kit option, so you can get the exact kit you need for your vehicle.
• With the larger crank pulley, you can drive your alternator, A/C, and water pump with better cooling and charging performance during low-speed driving.

You can see for yourself in the March Performance videos featuring this excellent kit for Chevy big block engines — the Long Water Pump Ultra has the style, engineering, and custom options that car enthusiasts need and love.

With CNC-machined from solid billet 6061-T6 aluminum, power steering and A/C mount options, and all mounting hardware included, this serpentine kit has all the features that make March Performance kits so popular.

Application:

• Chevy Big Block
• 7.287" standard rotation long water pump

• Kits will not fit in Chevelle, Monte Carlo, El Camino, 1970 and newer Camaro, S10 type vehicles, 70 and newer F-Body, 78-87 G body and 64-77 A body, use kit that specifies extra high mid-mount power steering.
• If using billet power-steering pump with Driver Side a/c kits, may require modification to a/c bracket.
• Will not fit pre 1982 Corvettes without cross member modification.
• Kits are for standard deck height motors.
• *Passenger side hole required for mounting, Tall deck motors & motors missing passenger side hole require additional rear support bracket : 20128-09  (Not compatible with passenger-side A/C kits).
• Optional power-steering nose cover available: 360

 Chevy Big Block Kit includes:

• Alternator bracket for GM 10SI alternator
• Alternator pulley with fan and nose cover
• Water pump pulley for Chevy big block long water pump
• Crank pulley 
• Mounting hardware

A/C kits include:

• Passenger side bracket for Sanden 7176 A/C compressor or driver side bracket for Sanden 505 or 508 A/C compressor
• Billet aluminum cover for A/C compressor

Kits with power steering include:

• Power steering bracket for 1966-1974 Saginaw keyway, 1975-1978 Saginaw press fit, or GM type 2 remote reservoir (remote reservoir required) Power steering pumps
• Power steering pulley

Instructions:

20125

20150

20152

23070

23072

23090