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Description
It sounds like you’re tackling the classic Buick dilemma: wanting that massive "nailhead-era" stopping power without sacrificing those iconic 802-style Rallye wheels. Because those wheel barrels taper so aggressively, they are notorious for "pinching" modern calipers.
This kit from Master Power Brakes is the standard fix for that specific geometry headache. Here is a breakdown of why these specs matter for your build:
Why This Specific Kit is Required
When upgrading a 1961–1970 LeSabre, Wildcat, or Electra to rear discs, the caliper often sits right where the Rallye wheel barrel starts to narrow.
The Offset: The 7/16"(.4375") thickness is the "Goldilocks" zone—wide enough to push the barrel away from the caliper, but thin enough that you aren't significantly altering your scrub radius or sticking the tires out past the wheel wells.
Hub-Centric Design: This is critical for heavy full-size Buicks. Since the spacer centers on the hub (not just the studs), it prevents the "death wobble" often felt at highway speeds with cheap, universal spacers.
Technical Breakdown
Feature
Specification
Benefit
Material
6061-T6 Billet Aluminum
High structural integrity; won't crack under torque.
Finish
Black Anodized
Resists corrosion; stays "hidden" behind the wheel.
Stud Length
2.170"
Replaces factory studs to ensure full thread engagement.
Compatibility
DB1800/1801/1802 Series
Specifically matched to Master Power’s rear kits.
Installation Notes & Safety
Stud Replacement: You must install the included 2.170" studs. Using your stock studs with a 7/16" spacer will not leave enough thread for the lug nuts to grab, which is a major safety hazard.
Compatibility Check: This kit is designed specifically for the 802 Style Rallye Wheel. If you are running aftermarket "tribute" wheels or standard steel wheels with hubcaps, you may not need this much clearance, though the hub-centricity is still a plus.
Torque Sequence: Always re-torque your lug nuts after the first 50–100 miles of driving. Aluminum spacers can "settle" slightly against the steel hub face.
Note: These spacers are the bridge between 1960s style and 2020s safety. Without them, you'll likely find the wheel won't even rotate once the lug nuts are tightened down against the new calipers.
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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
