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JEGS Premium '50' Series Roller Rocker Arms


JEGS Performance Products
JEGS Premium '50' Series Roller Rocker Arms

Product images may differ from actual product appearance.

JEGS Premium '50' Series Roller Rocker Arms are one of the strongest, CNC-machined, ratio-accurate, light weight roller rocker arms available. CAD designed with a unique profile for added rigidity to withstand high pressure valve springs and high lift cams. Clearanced for 1.625" spring and retainer combinations. You can expect 15+ horsepower just by bolting these on vs. stamped O.E. rockers, plus you'll increase your rpm range thanks to our lightweight construction. Extruded from 2024 aluminum, these roller rocker arms feature the best of everything! Including US-made bearings in the fulcrum, 4130 trunion, roller axle and adjusting nut, heat-treated 8620 steel roller tip and pushrod seat. We add a yellow metallic anodized finish with the JEGS logo and the rocker arm ratio laser etched on the face. Made in the USA.

Features:
  • 4130 chrome moly trunion
  • Made from 2024 aluminum (stronger than 6061)
  • Bearings Made in USA
  • The latest advancement in aluminum rocker arm design
  • Lifetime warranty
  • CNC-machined, lightweight CAD design for quality & ratio accuracy
  • Additional clearance: Clears 1.625" O.D. valve spring
  • Rigidity to withstand aggressive spring pressures and high valve lifts



  • 18 Products
    Small Block Chevy

    555-20160
    Premium '50' Series Roller Rocker Arms
  • Small Block Chevy
  • 1.5 Ratio
  • 3/8" Stud
  • 16/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $274.99
    Ships

    555-20161
    Premium '50' Series Roller Rocker Arm
  • Small Block Chevy
  • 1.5 Ratio
  • 3/8" Stud
  • 1/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships

    555-20163
    Premium '50' Series Roller Rocker Arms
  • Small Block Chevy
  • 1.5 Ratio
  • 7/16" Stud
  • 16/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $274.99
    Ships

    555-20164
    Premium '50' Series Roller Rocker Arm
  • Small Block Chevy
  • 1.5 Ratio
  • 7/16" Stud
  • 1/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships

    555-20165
    Premium '50' Series Roller Rocker Arms
  • Small Block Chevy
  • 1.6 Ratio
  • 3/8" Stud
  • 16/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $274.99
    Ships

    555-20166
    Premium '50' Series Roller Rocker Arm
  • Small Block Chevy
  • 1.6 Ratio
  • 3/8" Stud
  • 1/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships

    555-20168
    Premium '50' Series Roller Rocker Arms
  • Small Block Chevy
  • 1.6 Ratio
  • 7/16" Stud
  • 16/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $274.99
    Ships

    555-20169
    Premium '50' Series Roller Rocker Arm
  • Small Block Chevy
  • 1.6 Ratio
  • 7/16" Stud
  • 1/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships
    Small Block Chevy .150'' Offset Intake Valve Rockers
    Includes 8 standard rockers, 4 offset left rockers and 4 offset right rockers.

    555-20173
    Premium '50' Series Roller Rocker Arm
  • Small Block Chevy
  • 1.5 Ratio
  • 7/16" Stud
  • 1/Pkg
    Includes:
  • (1) 0.150" Left Offset Intake Rocker
    View this item
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships

    555-20174
    Premium '50' Series Roller Rocker Arm
  • Small Block Chevy
  • 1.5 Ratio
  • 7/16" Stud
  • 1/Pkg
    Includes:
  • (1) 0.150" Right Offset Intake Rocker
    View this item
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships

    555-20177
    Premium '50' Series Roller Rocker Arm
  • Small Block Chevy
  • 1.6 Ratio
  • 7/16" Stud
  • 1/Pkg
    Includes:
  • (1) 0.150" Left Offset Intake Rocker
    View this item
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships

    555-20178
    Premium '50' Series Roller Rocker Arm
  • Small Block Chevy
  • 1.6 Ratio
  • 7/16" Stud
  • 1/Pkg
    Includes:
  • (1) 0.150" Right Offset Intake Rocker
    View this item
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships
    Big Block Chevy

    555-20190
    Premium '50' Series Roller Rocker Arms
  • Big Block Chevy
  • 1.7 Ratio
  • 7/16" Stud
  • 16/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $274.99
    Ships

    555-20191
    Premium '50' Series Roller Rocker Arm
  • Big Block Chevy
  • 1.7 Ratio
  • 7/16" Stud
  • 1/Pkg
    View this item
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships
    Small Block Ford

    555-20193
    Premium '50' Series Roller Rocker Arms
  • Small Block Ford
  • 1.6 Ratio
  • 7/16" Stud
  • 16/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $274.99
    Ships

    555-20194
    Premium '50' Series Roller Rocker Arm
  • Small Block Ford
  • 1.6 Ratio
  • 7/16" Stud
  • 1/Pkg
    View this item
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships

    555-20195
    Premium '50' Series Roller Rocker Arms
  • Small Block Ford
  • 1.6 Ratio
  • 3/8" Stud
  • 16/Pkg
    View this item

    Fits Applications
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $272.99
    Ships

    555-20196
    Premium '50' Series Roller Rocker Arm
  • Small Block Ford
  • 1.6 Ratio
  • 3/8" Stud
  • 1/Pkg
    View this item
    • FREE
    • SHIPPING
      & HANDLING!
    Installation Instructions for JEGS Performance Products
  • $35.99
    Ships

    18 Products