The Raybestos Z Pak (SKU RZP-001) is a 3rd-4th clutch friction and steel pack designed for GM's 4L60E, 4L65E, TH700, and TH700-R4 automatic transmissions, sold through Sun Transmissions at a listed price of roughly 3,797,000₫ (approximately $142 USD at current conversion rates, which will vary by region and exchange rate). Raybestos is an established name in the friction-material and brake/transmission parts industry, and its Z Pak line is a commonly referenced upgrade component in the transmission rebuild community.
This is a specialized rebuild part rather than a general consumer product: it's intended for technicians and DIY builders rebuilding or upgrading the 3rd-4th clutch pack in the listed transmission families, typically to address known durability issues with the stock friction material under higher load or towing use. As with most transmission internals, correct application depends on matching the part to the specific transmission generation and clutch count, so buyers should confirm compatibility with their exact transmission before ordering.
Sun Transmissions notes same-day shipping for orders placed before 2:00pm EST on business days, free shipping on domestic orders over $90, and worldwide shipping availability.
View current pricing and availability here.
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