Rocker Arm Stud Girdle Replacement Nuts for 7/16 in.-20 Studs [Full Roller Polylock]
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AFR - AIRFLOW RESEARCHPART NUMBER: 033-6214-16

Rocker Arm Stud Girdle Replacement Nuts for 7/16 in.-20 Studs [Full Roller Polylock]

$11300
ShippingShips on Oct 08, 2026
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Rocker Arm Stud Girdle Replacement Nuts
  • 7/16 in.-20 Thread
  • Full Roller Polylock Design
  • 2.00 in. Overall Length
  • For AFR Double Bar Stud Girdles
  • Set of 16

    A stud girdle only keeps the valvetrain rigid if the nut underneath it is built to accept the girdle bar, and a standard rocker nut will not index correctly once the girdle goes on. This polylock nut is machined specifically to seat under an AFR double-bar stud girdle so the rocker stays locked in place.

    AFR 6214-16 Rocker Arm Stud Girdle Replacement Nuts Features:

    • Fits 7/16 in.-20 thread rocker studs
    • Full roller polylock design
    • 2.00 in. overall length
    • Designed to accept an AFR double bar stud girdle
    • Set of 16
  • Part TypeRocker Arm Stud Girdle Adjusting Nut
    BrandAFR - AIRFLOW RESEARCH
    Package Height4.0
    Package Width4.0
    Package Length2.000 in
    Weight2.16 PG
    Part CategoryPerformance Parts
    Nut StyleFull Roller Polylock
    QuantitySet of 16
    Thread Size7/16 in-20
    Part FitmentSemi Universal
    Vendor Part Number6214-16
    Package Qty1
    Package TypeEA
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    Some parts are not legal for use in California or other states with similar laws / regulations
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