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Home Buy Transmission and Drivetrain Automatic Transmissions TCI Maximizer Heavy-Duty RV Transmissions 371402P1
TCI Auto Automatic Transmissions 471800P12
TCI Auto Automatic Transmissions 471800P12 $2,900.00
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TCI 6x 6-Speed GM 4L80E Automatic Transmission Packages 271701P40
TCI 6x 6-Speed GM 4L80E Automatic Transmission Packages 271701P40 $6,735.00

TCI Maximizer Heavy-Duty RV Transmissions 371402P1

$3,287.00

TH700R4 RV & TOWING 4X4 PKG

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Category: Automatic Transmissions
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Description

Overview

Brand: TCI Auto
Manufacturer’s Part Number: 371402P1
Part Type: Automatic Transmissions
Product Line: TCI Maximizer Heavy-Duty RV Transmissions
Summit Racing Part Number: TCI-371402P1
UPC: 788120032650
Number of Gears: 4
Bellhousing Bolt Pattern Manufacturer: Chevy
Transmission Shift Pattern: Forward
Valve Body Style: Automatic
Torque Converter Included: Yes
Flexplate Included: No
Transmission Controller Included: No
Wiring Harness Included: No
Transmission Cooler Included: Yes
Torque Converter Diameter (in.): 12.000 in.
Advertised Flash Stall Rating: 1,200 rpm
Trans-Brake Included: No
Lockup Compatible: Yes
Input Spline Quantity: 30
First Gear Ratio (Automatic Transmissions): 3.06
Transmission Case Style: OEM
Transmission Case Material: Aluminum
Transmission Case Finish: Natural
Transmission Shield Built In: No
Flexplate Shield Built In: No
Transmission Fluid Included: Yes
Transmission Fluid Quantity Included: 12 qt.
Dipstick Included: Yes
Remanufactured: Yes
Quantity: Sold as a kit.

TCI Maximizer Heavy-Duty RV Transmissions

TCI Maximizer heavy-duty RV transmissions are the perfect transmissions for your 2WD towing and heavy-load trucking needs. These units have valve body modifications that increase cooler flow and improve shift characteristics without the harsh feel of a racing style transmission. When used with a TCI heavy-duty towing torque converter, you can be sure the transmission package is tailored to provide long, dependable service and maximum fuel economy. The optional low gear package offered with each of TCI’s RV units is a great addition for trucks pulling heavy loads.

Shipping & Delivery
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Effective Date: August 9, 2025

At X Factors Motorsports, we are committed to delivering your order quickly, securely, and affordably.


1. Processing Time

  • Orders are typically processed within 1–2 business days after payment is confirmed.

  • Orders placed on weekends or holidays will be processed on the next business day.


2. Delivery Times

  • Domestic Shipping (United States): Delivery takes 5–7 business days from the date of shipment.

  • International Shipping: Delivery times vary by destination and may take 7–21 business days depending on customs processing and local delivery services.


3. Shipping Rates

  • United States: Free standard shipping on all orders.

  • International: Shipping costs are calculated at checkout based on the delivery address, package weight, and destination country.


4. Carriers Used

We ship orders using trusted carriers such as UPS, FedEx, USPS, and DHL to ensure reliable delivery. Tracking numbers are provided for all shipments.

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    At X Factors Motorsports, we specialize in high-performance engines, outboards, and premium automotive equipment. With expert support, fast shipping, and trusted brands, we help builders, racers, and enthusiasts power their passion — one project at a time.

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    • E-mail: sales@xfactorsmotorsports.com
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