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Description
The Specialty Power Windows (SPW) 1955–1957 Chevy Car Cable Driven Windshield Wiper System replaces the original, vacuum-operated wiper assembly on Tri-Five Chevrolets with a modern, high-torque dual electric drive. Designed specifically for 1955–1957 passenger car bodies, the kit mounts two cable-driven wiper transmission wheelboxes directly into the factory cowl locations using original-style bezels and nuts, while tucking the commercial-duty 2-speed motor cleanly up under the dash to clear aftermarket air conditioning, updated gauges, and modern steering columns.
System Architecture & Engineering Highlights
Factory Cowl Transmission Mounting: Wiper wheelbox transmissions align precisely with the original cowl holes across all Tri-Five passenger car bodies, allowing full reuse of factory bezels and retaining nuts to maintain stock exterior aesthetics.
Under-Dash Remote Drive Motor: Driven by a commercial-duty 2-speed electric motor producing 300 in-lb of stall torque. The motor tucks high beneath the dashboard, eliminating rigid mechanical linkage bars that typically collide with modern aftermarket A/C evaporator boxes.
Adjustable Sweep Range: Internal eccentric drive mechanism offers sweep settings from 90° to 160° in 10° increments, allowing precise calibration to sweep the broad, wraparound Tri-Five windshield without contacting the A-pillar stainless trim or lower cowl gaskets.
Standard 1/2" Knurled Shafts: Heavy-duty output shafts feature standard 1/2" fine-spline knurls (and clamp-on support for smooth 1/2" shafts) to suit OEM-style or aftermarket reproduction wiper arms.
Selectable Switch Controls: Configurable with multiple switch options to match your dash setup—offering standard two-speed operation or enhanced intermittent delay wiper timing.
Technical Specification Matrix
Feature / Metric
Technical Specification Detail
Manufacturer
Specialty Power Windows (SPW)
System Style
Vehicle-Specific Cable-Driven Dual Wiper System
Vehicle Application
1955, 1956, and 1957 Chevrolet Passenger Cars
Body Style Fitment
Bel Air, 210, 150, Nomad, Sedan Delivery, Wagons, Hardtops, Convertibles
Controls & Electrical: Selected Switch Option (2-Speed Switch OR 2-Speed with Delay), Dedicated Wiring Harness
Hardware & Documentation: Complete Fastener Mounting Kit, Written Installation Guide, and Video Instructions
(Note: Wiper arms and blades are not included and must be sourced separately).
Installation & System Notes
Wraparound Windshield Sweep Setup: Set the motor's internal eccentric sweep adjustment prior to final under-dash mounting. For the 1955–1957 panoramic curved windshield, a 110° to 120° sweep typically provides maximum cleared glass area without driving the blades into the lower windshield rubber or side trim.
Guide Tubing Routing: Form smooth, wide-radius bends (minimum 4" to 6" radius) in the aluminum guide tubing between the motor and both wheelboxes. Avoid sharp kinks or tight turns to maintain low internal friction on the drive cable.
Cable Lubrication: Coat the flexible spiral drive cable thoroughly with waterproof white lithium grease or synthetic silicone lubricant prior to pulling it through the aluminum guide tubes.
Dash Switch Integration: The switch options mount directly into the stock dashboard wiper switch opening, retaining authentic interior styling while operating modern electric wipers.
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Refund Policy
We offer a 30-day return policy, which means you have 30 days from the date you receive your item to request a return.
Eligibility for Returns
To be eligible for a return, your item must be:
In the same condition as received
Unworn or unused
With original tags attached
In its original packaging
You must also provide a receipt or proof of purchase.
How to Start a Return
To initiate a return, please contact us at jonathon@hotrodhardware.com. Once your return request is approved, you will be provided with the return address and, if applicable, an RMA (Return Merchandise Authorization) number.
Important: Items sent back without prior authorization will not be accepted.
If you have any questions regarding your return, feel free to contact us at the email above.
Damages and Issues
Please inspect your order upon delivery. If your item is defective, damaged, or if you received the wrong item, contact us immediately so we can evaluate the issue and resolve it promptly.
Exceptions / Non-Returnable Items
The following items are not eligible for return:
Custom or personalized products (including special orders)
Hazardous materials, flammable liquids, or gases
Sale items
Gift cards
If you are unsure whether your item qualifies, please contact us before initiating a return.
Exchanges
The fastest way to receive a replacement item is to return your original item (once approved) and place a new order separately.
Free Shipping Orders
Orders that qualified for free shipping are subject to deduction of the original outbound shipping cost if the item is returned.
Refunds
Once your return is received and inspected, we will notify you regarding the approval status of your refund.
If approved:
Refunds will be issued to your original payment method
Any applicable restocking fees will be deducted
Original shipping charges (if applicable) will be deducted
Return shipping costs (if arranged by Hot Rod Hardware) will be deducted
Please note:
Payment processing fees (including PayPal, Amazon Pay, or other merchant fees) are non-refundable
It may take additional time for your bank or credit card provider to process and post the refund
