ARP 3008241 Perma-Loc Rocker Arm Adjusters, 3/8-24 Thread Size With .620 Body Diameter, Package Of 16 300-8241

119.09 37.99 Star: 4.0 Sku : 1922384
Tag: Nuts & Bolts
Review Count : 10 Review Sale Count : 27 Orders
  • Exclusive 12-point head, with special shouldered "stop" to hold the wrench, eliminates the need for special adjusting tools
  • Forged in-house from grade A 8740 alloy chrome moly steel and heat-treated throughout for a 190,000 psi tensile strength, not simply case hardened like others are
  • Threads are precision CNC-machined exactly perpendicular to the bottom of adjuster to ensure an optimum seat, even pressure, and maximum engagement
  • Bottom is flush-ground perpendicular to the threads, so it seats evenly, and the set screw has flush-machined tip for optimum contact and seating on stud
  • Designed for stamped steel rockers, and features an overall length of 1.200, a thread size of 3/8 - 24, and a body diameter of .620; sixteen adjusters per package

One of the more aggravating things found in many high performance engines is constantly having to re-adjust s. Until 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 's exclusive Perma-Loc adjusters won't loosen like others. First, the adjuster body is heat treated all the way through (not simply case hardened), which eliminates the thread "movement" common to others. Secondly, the threads are machined exactly perpendicular to he bottom of the adjuster, so it seats evenly and applies pressure on a full 60 degree circle. Lastly, the set screw is machined flush on the bottom, not pointed, so it will have optimum contact on the stud. Perma-Loc adjusters are also easy to use, because the compact 12-point head is designed to hold your wrench in position while you lock the set screw with an Allen wrench.

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Product description

ARP 3008241 Perma-Loc Rocker Arm Adjusters, 3/8-24 Thread Size With .620 Body Diameter, Package Of 16 300-8241

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