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March Ultra Serpentine Pulley & Bracket Kit, With AC Pulley - 13125 Black (MAR-13125-08)

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MAR-13125-08

March Ultra Serpentine Pulley & Bracket Kit, With AC Pulley. PONTIAC SERPENTINE CONVERSION, ULTRA, AC, TENSIONER, SAGINAW PRESS Finish: Black.

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Description

March Ultra Serpentine Pulley & Bracket Kit — With A/C Pulley, Saginaw Press-Fit
Part No.
MAR-13125-08
Finish
Black
Belt
95.5"–96"
Family
Ultra

The same Ultra pulley and bracket kit with air conditioning drive, built instead around the Saginaw press-fit power steering pump used from 1977 on. Runs off a standard-rotation 1969-or-later water pump, eliminates belt throw, and cleans up the front of the engine considerably.

Every bracket and pulley is CNC-machined from solid 6061-T6 billet aluminum — the same aircraft-grade alloy March uses across its serpentine line — so the drive stays rigid and the belt tracks straight at RPM.

Kit includes
  • Crank pulley
  • Water pump pulley and nose cover
  • Alternator pulley with fan and nose cover
  • Alternator bracket with stainless steel tensioner
Power steering adds
  • Power steering bracket and pulley
  • Power steering front and rear mounting brackets
  • Idler pulley with cover
Air conditioning adds
  • A/C clutch cover
  • A/C front and rear mounting brackets
  • Stainless steel tensioning rod
  • Dual idlers with covers
  • All necessary hardware
Application
  • Pontiac 326, 350, 389, 400, 421, 428 and 455 c.i. V-8
Fitment requirements
  • 1968 & newer harmonic balancer (balancer without v-groove)
  • 1969 & newer 11-bolt water pump
Before you order
  • A/C compressor sold separately.
  • Saginaw press-fit pump version (1977 and later). For the earlier keyway pump, order MAR-13120.
Finish — March BLACK
A simple but premium black powder coat for a more modern — or more factory — appearance.
Availability: Minimal wait, ships within 1–2 weeks
Why Buy It From Butler
Butler Performance builds Pontiac engines every day, and we sell the accessory drives we actually run on them. If you are not certain which balancer, timing cover or water pump is on your engine — or which chassis version of a kit your car takes — call us before you order. It is a five-minute phone call that saves a return.
866-762-7527
Butler Tech Library
Building It Right the First Time
How Butler balances power and reliability, plus the pre-assembly checks worth running before parts go on.
Read the Build Guide ›

Details

  • MAR-13125-08
  • MAR-13125-08
  • March Performance
  • New

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Shipping Information

  • Item Requires Shipping
  • 15.0 lbs.

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