What does maintaining the OEM diameter mean for my accessories?

Keeping the original equipment diameter means your accessories, like the alternator and A/C compressor, will spin at the same speed as they did with the factory pulley. This ensures they operate efficiently and reliably without needing different belt lengths or bracket modifications.

How many grooves does this pulley have and what are they for?

This pulley has four grooves. These grooves are where the accessory drive belts wrap around to power components such as your alternator, power steering pump, and air conditioning compressor.

Is this pulley a direct bolt-on replacement?

Yes, this ATI crank pulley is designed as a direct replacement for the factory pulley on your 1998-2002 F-Body Camaro LS1. This means it should fit without requiring significant modifications to your existing setup.

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Specifications

Brand: ATI
Part #: ATI916734M1
UPC: 800157053702

ATI Pulley - A/C - 4 Grv - Rear - OEM Dia LS1 Size 98 - 02 F-Body Camaro

Name: ATI Pulley - A/C - 4 Grv - Rear - OEM Dia LS1 Size 98 - 02 F-Body Camaro
Brand: ATI
SKU: ati-ati-pulley-a-c-4-grv-rear-oem-dia-ls1-size-98-02-f-body-camaro-t14-361003
Price: 142.22 USD
Availability: BackOrder

$142.22

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

ATI 4-groove rear crank pulley for 98-02 F-Body Camaro LS1. Maintains OEM diameter for reliable accessory drive.

Key Features

Fits 1998-2002 F-Body Camaro LS1.
Rear crank pulley with 4 grooves for accessory drive.
Maintains OEM diameter for proper accessory speed.
Direct replacement part for straightforward installation.

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About this part

Product Details

This ATI crank pulley is designed for the rear of your LS1 engine, specifically for 1998-2002 F-Body Camaro models. It features four grooves to drive your accessories and maintains the original equipment diameter. This ensures your accessory drive system, like the alternator and A/C compressor, runs at the correct speed without needing to change belts or modify brackets.

ATI is known for making well-built performance parts, and this pulley is no exception. It's made to be a direct replacement for your stock pulley, making installation straightforward. By keeping the OEM diameter, you avoid potential issues with underdriving or overdriving your accessories, which can affect their performance and lifespan. This is a solid option if you're looking to replace a worn-out or damaged factory pulley on your LS1 F-Body.