MARCH PERFORMANCE
SBC Sport Track Pulley System LWP Black
SKU: M05O 21690-08
Description
Part #: 21690-08
Precision CNC machined from 6061-T6 aluminum for strength and perfect fit. These kits also include all the mounting hardware you'll need and detailed instructions so installation is a snap. You can also forget about polishing this assembly, as it features maintenance-free powder coating.
Features:
- 100 amp GM 10si Alternator
- Alternator pulley with fan and nose cover
- Black Sanden 7176 AC Compressor
- Aluminum Long Water Pump
- Alternator and a/c brackets
- Crank pulley (larger dia for better accessory drive)
Pulley Kit - Sport Track - 6-Rib Serpentine - Aluminum - Black Powder Coat - Long Water Pump - Small Block Chevy - Kit
Fitment
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Specifications
| Brand | MARCH PERFORMANCE |
| Part Number | M05O 21690-08 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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