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Drivetrain› 4x4 Driveline Components

USA Standard Gear

Transfer Case Synchro Ring Blocker Kit

Name: Transfer Case Synchro Ring Blocker Kit
Brand: USA Standard Gear
SKU: ZTSRK371

$135.72

SKU: ZTSRK371

Free Shipping over $200

$100 Minimum Order

Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Overview

The USA Standard Gear ZTSRK371 is a transfer case synchro ring blocker kit designed for NP261 and NP263 transfer cases.

USA Standard Gear provides fast delivery from strategically located warehouses across the United States, ensuring that you receive your parts quickly. The company focuses on providing reliable drivetrain components for repair and maintenance needs.

Show original supplier description

The USA Standard Gear ZTSRK371 is a transfer case synchro ring blocker kit specifically engineered for NP261 and NP263 transfer case models. This component plays a crucial role in the smooth operation and synchronisation within the transfer case, ensuring reliable power delivery. Manufactured by USA Standard Gear, a brand known for its commitment to quality and durability in drivetrain components, this kit utilizes proven manufacturing technologies and state-of-the-art design software. The company ensures that each product meets high standards for repair and maintenance applications. Customers can expect fast delivery, with the product being shipped from one of seven strategically placed warehouses across the United States. This efficient distribution network aims to provide 1-2 day delivery for most locations, with expedited shipping options also available at checkout. USA Standard Gear also offers live tech support and easy access to parts, reinforcing their dedication to customer satisfaction.

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

Brand	USA Standard Gear
Part Number	ZTSRK371
Category	Drivetrain

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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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