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March Performance

Pulleys, Serpentine, March, 1966-74 Pontiac, w/ A/C, w/ Keyway PS

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Part# : G221404

Mfg#: 13120

Sold As: Set

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^$1,367.⁹⁹

List Price: $1,505.95

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Color Variation

Due to variations in monitor settings, some colors on this page may appear slightly different from GM originals. In addition, due to color differences in the original GM dye lots, interior product colors may vary slightly.

Vehicle Specific View fitment for 6 models

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Pontiac 326-455 Ultra Serpentine Conversion Kit (A/C, Keyway P/S) by March Performance™

6061-T6 billet 6-rib conversion uses matched crank, water-pump and alternator drive hardware.

This March Performance™ Ultra conversion is designed for Pontiac 326/350/389/400/421/428/455 V8 engines using a 1968-and-newer balancer without the cast V-groove and a 1969-and-newer 11-bolt water-pump/timing-cover setup. The 6-rib kit includes billet crank and water-pump pulleys, alternator pulley/fan/nose cover and the alternator bracket/tensioner. It also includes the power-steering bracket, pulley and idler hardware for a keyway Saginaw pump. A/C versions add the compressor bracket, clutch cover, dual idlers and necessary hardware for a Sanden-style 508 compressor.

• Product: Ultra serpentine conversion kit • Engine: Pontiac 326/350/389/400/421/428/455 • Drive: 6-rib serpentine • Required: 1968+ balancer without V-groove; 1969+ 11-bolt water-pump/timing cover • A/C: Bracket/cover/idlers for Sanden-style 508 • Power steering: Keyway Saginaw bracket/pulley • Construction: CNC-machined 6061-T6 billet aluminum

Notes

System requires newer balancer without V-groove and 1969 or newer water pump.
All require a GM 6-12 o'clock mounting alternator.
This item is not eligible for any further discounts or promotional pricing.
This item is Oversize 2, and is excluded from free ground shipping.
This item is SPECIAL ORDER and will drop-ship from the manufacturer. While the majority of drop ship orders experience no delays, please be advised that OPGI does not control delivery times.

We aim to provide accurate and complete product information. If you notice anything incorrect, missing, or unclear, please let us know.

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WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model	Application Details
1966–1974 Pontiac Bonneville	With Power Steering - w/AC (keyway)
1966–1974 Pontiac Catalina	With Power Steering - w/AC (keyway)
1966–1974 Pontiac Grand Prix	With Power Steering - w/AC (keyway)
1966–1973 Pontiac GTO	With Power Steering - w/AC (keyway)
1966–1973 Pontiac LeMans	With Power Steering - w/AC (keyway)
1966–1970 Pontiac Tempest

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