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QA1 KMR4 K Series 3-Piece Carbon Steel Rod End 1/4 in. Bore Male Right Hand 1/4-28

Manufacturer

Picture for manufacturer QA1 Precision Products

Part Number

KMR4
9 reviews
Sale Price

$7.03

Estimated ship date Saturday, November 21

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Fitment guaranteed

Fitment guaranteed

Product Details

The QA1 KMR4 is a K Series three-piece carbon steel rod end designed for precision suspension and linkage applications. Featuring a 1/4 in. bore and 1/4-28 right-hand male threads, this rod end delivers reliable metal-to-metal performance in a compact, light-duty package ideal for street rods, race cars, and custom suspension builds.

Key Features:

  • 3-piece construction with a carbon steel body for durability and strength
  • Protective coating on the body for corrosion resistance
  • 52100 bearing steel ball — heat-treated, precision ground, and hard chrome plated
  • Alloy steel race — corrosion and wear resistant
  • 1/4 in. (0.250 in.) bore with 1/4-28 right-hand male threads
  • Available in right- and left-hand thread configurations across the K Series lineup
  • Metal-to-metal design for direct, responsive suspension feel

QA1's K Series rod ends are a go-to choice for motorsports and performance suspension builds where precision fit and consistent quality matter. Sold individually.

Products specifications

A (+/-0.015)

1.562

Approx Bearing Weight

0.04

B (+0.0015/-0.0005)

0.25

Ball Dia Ref

0.5

C (+0.062/-0.031)

1

D (+/-0.010)

0.75

Grease Fitting

No

Heat-Treated

Yes

Jam Nut Included

No

Misalign Angle

16

Notes

Only rod end ball and race are heat-treated.

Quantity

Sold individually.

Rod End Attachment

Male threads

Rod End Ball Width

0.375 in.

Rod End Centerline Length

1.562 in.

Rod End Construction

3-piece

Rod End Finish

Zinc plated

Rod End Head Bore Size

0.250 in.

Rod End Head Diameter

0.750 in.

Rod End Head Width

0.375 in.

Rod End Material

Carbon steel

Rod End Misalign Angle (degrees)

16 degrees

Rod End Static Load Capacity

2,158 lbs.

Rod End Style

Metal to metal

Rod End Thread Size

1/4-28 RH in.

T (+/-0.005)

0.281

Thread Length

1.000 in.

Thread Type

Right Hand

Thread UNF-3A

1/4 -28

UTL Radical Static

2158

W (+0.000/-0.005)

0.375

Prop 65

WARNING: Cancer and Reproductive Harm. www.P65Warnings.ca.gov

Title

QA1 Suspension Rod End Bearing KMR4

GOODF

Autoplicity has the best prices around! They were quick to email a confirmation of the order, shipment, and delivery. I was VERY impressed! I also received my order earlier than I thought, which is always a plus. Will definitely do business with them again! Thanks!

Fast! Fast, fast, Fast! Fast, fastFast! Fast, fast

Ordered a Flex-a-lite 420 dual shrouded fan on Wednesday night and had it in my hands saturday afternoon! Great price and prompt shipping.

Overall quick shipping and nothing was missing or broken!<br>A little tricky install but fast with some help.<br>I like the fact that they have competitive pricing and there site is nice and secure.

fast shipping and great prices

Received my product today was happy with the item purchased and will buy again from Autoplicity. Was received in a timely manner and like described

Helpful-reasonable prices-reasonable shipping-prompt.

Fast -regular- shipping even on large items. I was skeptical at first but I am happy and don't regret my purchase!!!

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