ProCharger DC040A-005 ATI 8-Rib LS Balancer
ProCharger DC040A-005 ATI 8-Rib LS Balancer
ATI balancer 917345, cataloged by ProCharger as DC040A-005 for compatible LS accessory-drive installations.
This is the 8-rib version. The catalog restricts this option to LS engines. Confirm crankshaft, pulley alignment and the exact ProCharger drive configuration before ordering.
Sold as the balancer option; the accessory-drive kit and supercharger are separate.
ATI manufacturer specifications
- Pulley grooves: 8 and 4
- Outside diameter: 7.425 inches
- Shell material: Steel
- Hub: 916032H4
Verify drive spacing and hub compatibility for the installation. ATI lists a different part, 917345A with hub 916031, for its LS1 F-body/GTO application; it must not be substituted based on the LS engine family alone.
ATI application reference
ATI groups this part under its LS1/LS2/LS3/LS6 Y-body, G8, SS and 2004–2007 CTS-V supercharged-damper applications. This manufacturer grouping is a reference for checking the hub and pulley arrangement, not a blanket fitment claim for every vehicle or engine swap.
ATI lists damper weight less hub as 14.05 lb and inertia weight as 3.65 lb. These are component specifications, not shipping weight. Match the exact ProCharger kit, crankshaft and drive spacing before ordering.
ProCharger LS modular accessory-drive application
ProCharger specifies this ATI balancer for the 8-rib configuration of its LS serpentine accessory-drive system. That system is intended for standard-deck, wet-sump LS engines and excludes LS7, variable valve timing (VVT), and tall-deck combinations. These restrictions describe the ProCharger system application; they do not establish universal compatibility with other LS drive systems.
Confirm the ProCharger kit part number, belt rib count, crankshaft and accessory layout before ordering. Pinning the crank pulley is recommended by ProCharger. The balancer is sold separately from the drive kit.
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