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QA1 Precision Products, Inc

QA1 66-70 Mopar B-Body Tubular K-Member

$954.90 $887.95 Save $66.95

SKU: Q00B 52315

In Stock
In Stock
Ships by Oct 5
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The QA1 66-70 Mopar B-Body Tubular K-Member is a direct bolt-on replacement designed for 1966-1970 Mopar B-Body vehicles. The K-member includes attachment points for factory and aftermarket engine mounts.
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Part #: 52315

QA1's Mopar K-Members are direct bolt-on for your 66-70 Mopar B-Body. Engineered for maximized strength, the tubular design allows for greater header and oil pan clearance. The K-Member comes with engine mount attachment points to accept factory and aftermarket engine mounts. If using a sway bar, the 1966-69 B-body K-members only work with a QA1 sway bar and control arms. The E-body and 1970-72 B-body K-members can be used with a factory sway bar and control arms. Made in the USA.

Features:

  • Direct bolt-in
  • Maximum strength
  • Increased header & oil pan clearance
  • Modular engine mounts accommodate multiple swap options
  • Best-in-class warranty
  • Made in the USA

K-member for 71-72 Mopar B-bodies and 70-74 E-bodies. Designed for small block or big block engine mounts and an E-body sway bar, 71-72 B-body sway bar or QA1 sway bar.

This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

Vehicle Symptoms
  • Rattling from front suspension over bumps
  • Steering feels loose or vague on highway
  • Header or oil pan clearance issues during engine swap
  • Front end misalignment after lowering car
Relevant Conversations
  • 1969 Road Runner front end clunk over bumps
  • QA1 vs stock K-member weight savings Mopar
  • Tubular K-member for 1970 Charger engine swap
  • Will tubular K-member help with header clearance?
  • QA1 52315 K-member install time
  • Mopar B-body K-member and sway bar compatibility
  • Upgrade K-member for 440 swap 1970 Dart
  • Rough idle and front end vibration after rebuild
  • Best K-member for 1968 Coronet drag build
  • QA1 K-member with coilovers or control arms?

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

BrandQA1 Precision Products, Inc
Part NumberQ00B 52315

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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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