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Engines and Components Belts and Pulleys

Holley

LT COMPLETE ACCESSORY DRIVE SYSTEM W/ACC

$2,882.95 $2,399.95 Save $483.00

SKU: H00E 20-170

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

This Holley accessory drive system offers a complete high-mount solution for GM Gen V LT series engines, specifically the L83, L84, L86, and L87. It's designed for engine swap projects, providing a compact layout that offers excellent chassis clearance. The kit includes a center-mounted LS water pump, allowing the LT engine to visually integrate well into various swap applications. It is compatible with the LT Truck Harmonic Balancer, which is often already present on donor engines. The system is presented as a cost-effective and proven solution, encompassing a water pump, installation kit, water pump spacers, bracket spacers, wiring harness, and other necessary accessories.
Show original supplier description

Part #: 20-170

GM has updated its V8 performance engines and launched the new Gen V LT1 direct injected engine as a replacement for the very popular LS series of engines. This new accessory drive bracket installation kit allows the use of our popular & reliable Holley LS accessory drive bracket systems to be installed on the new LT1 engine. This drive system has incorporated an upgrade to the conventional looking and central located LS water pump which works in conjunction with an OEM LT1 truck harmonic balancer. This application fits all LT1 style engines (except the dry sump and supercharged applications).

Features:

  • Includes center mounted LS water pump that makes the LT engine look like it belongs in your swap project vehicle!
  • Works with LT Truck Harmonic Balancer (often already on donor engine)
  • Cost Effective and Proven Solution
  • Includes Water Pump, Installation Kit, Water Pump Spacers, Bracket Spacers, Wiring Harness, and Accessories

Complete GM Gen V LT Accessory Drive System w/ Alt, P/S, A/C, Water Pump, Belts, and Spacers. Includes Installation kit 21-5. Must be used with Gen V LT Truck Damper.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandHolley
Part NumberH00E 20-170
Weight61.25 lb

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Returns & Fitment

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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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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