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Use promotional code MMJ25 at checkout to receive 25% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Shocks & Struts, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, Chassis, CV Axles, Batteries, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Outdoor Lifestyle, Towing, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Air Filters, Oil Filters, Bearings & Seals and Engine Parts.

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes the following brands: Champion, Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Philips and BBK Performance. Valid online until 11:59 PM EST on 9/24/17.

Receive 25% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER25.

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ARP Perma-Loc Rocker Arm Adjusters - Poly Lock 224697
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  • Part #: 300-8244|
  • SKU: 224697

Available tomorrow after 12 p.m.


    • Exclusive 12 Point Head - 3/8-24 Inch Thread
    • Locking Set Screw Ground Flush With Rocker Arm Stud
Retail
$82.99

ARP Perma-Loc Rocker Arm Adjusters - Poly Lock

ARP has the missing link in valve train reliability. A rocker arm adjuster that won't loosen! One of the more aggravating things found in many high performance engines is constantly having to re-adjust rocker arms. Until ARP introduced the patented Perma-Loc adjuster, there wasn't a "poly lock" on the market that you didn't have to continually tighten. There are several important reasons why ARP's exclusive Perma-Loc rocker arm adjusters won't loosen like others. First, the adjuster body is heat treated all the way through (not just case hardened). This eliminates the thread "movement" common to others. Secondly, the threads are machined exactly perpendicular to the bottom of the adjuster, so it seats evenly and applies pressure on a full 360 Degree circle. Lastly, the set screw is machined flush on the bottom (not pointed) so it will have optimum contact on the rocker arm stud. You'll find ARP Perma-Loc's easy to use, too. The compact 12 point head is designed to hold your wrench in position while you lock the set screw with an Allen wrench. All in all, they're the best you can buy!
  • Exclusive 12 Point Head - 3/8-24 Inch Thread
  • Locking Set Screw Ground Flush With Rocker Arm Stud
  • Rated At 190,000 PSI Tensile Strength
  • Doesn't Require Special Tools
  • Heat Treated Premium Grade A 8740 Chrome Moly Steel
  • 1.200 Inch Length; 0.600 Inch Body Diameter


Quantity
Set of 16
Material
Chrome Moly Steel
Head Type
12 point
Color
Black Oxide

224697

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