3/8" typical small block application B : 1.750"
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ARPPART NUMBER: 070-134-7121

3/8" typical small block application B : 1.750"

$899
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High Performance (2 PC-Pack)
    3/8" typical small block application
  • B: 1.750"
  • C: .700"
  • D: .800"
  • E: 3/8"-24
  • F: 7/16"-14
  • App. Code: 2

    SB Chevy rocker arm studs

    ARP's Rocker Arm Studs are designed to provide positive seating every time, concentric within .005 T.I.R. thread pitch to thread pitch. They run-in straight and true for consistent rocker geometry. An extra large radius base offers greater resistance to flex. Available in both High Performance and Pro Series models. Note: Not to be used with OEM-style, self-locking nuts. To be used with ARP's patented Perma-Loc adjusters.

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    High Performance Series: Made of 8740 chrome moly forgings and heat-treated to 180,000 psi. Excellent for E.T. Bracket Racing, limited rule oval track competition and street use. Tip ground flush for optimum adjuster seating.

    Pro Series: Designed for competition applications, made of premium grade 8740 chrome moly steel and heat-treated to a tensile strength of 190,000 psi.


Part TypeRocker Arm Stud
Product LineARP Rocker Arm Studs
BrandARP
Package Height0.6
Package Width2.5
Package Length5.7
Weight0.2 PG
Part CategoryPerformance Parts
Base Thread Size (In.)7/16-14
Guideplate Locator ShankYes
QuantitySold as a pair
Part FitmentSemi Universal
Rocker Arm Nut Thread Length0.8 in (20.3 mm)
Effective Stud Length1.75 in (44.45 mm)
Base Thread Length0.7 in (17.78 mm)
Vendor Part Number134-7121
Package Qty1
Package TypeEA
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