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Stamped Steel Long Slot Rocker Arms for Small Block Chevy with 1.5 Ratio & 3/8" Stud
InfoVehicle Info Needed
PROFORMPART NUMBER: 778-66905

Stamped Steel Long Slot Rocker Arms for Small Block Chevy with 1.5 Ratio & 3/8" Stud

$9199
ShippingShips on 10/21/2026
Lowest PriceLowest Price Guarantee
Best Value
Stamped Steel Roller Tip Rocker Arms for 1955-1986 Small Block Chevy [1.5 Ratio for 3/8 in. Stud]

555-20180

Stamped Steel Roller Tip Rocker Arms for 1955-1986 Small Block Chevy [1.5 Ratio for 3/8 in. Stud]

$12999

Stamped Steel Long Slot Rockers
    Stamped Steel Long Slot Rocker Arms
  • Small Block Chevy
  • 1.5 Ratio, 3/8'' Stud
  • 16/pkg

  • Proven OEM Quality
  • Extra Long Slot
  • Eliminates Rocker To Stud Interference

    Made to strict OE standards the Proform Stamped Steel Long Slot Rocker Arms are ideal when your application doesn't require roller-tip rocker arms. They feature an extra-long slot that eliminates rocker-to-stud interference when using a high-lift camshaft.

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Part TypeRocker Arm Kit
Product LineProform Stamped Steel Long Slot Rocker Arms
BrandPROFORM
Package Height2.2
Package Width8.3
Package Length8.7
Weight4.25 PG
Part CategoryPerformance Parts
Arm FinishNatural
Rocker Arm Ratio1.5
Includes ShimsNO
Shims IncludedNo
PositionN/A
Stud Size 0.3750
Nut StyleCrimp Nut
Slot StyleExtra-long
Rocker Arm Nut StyleSelf-locking
QuantitySold as a set of 16
Rocker Arm Mounting StyleStud
Engine Make/SizeChevy Small Block (262-400)
Self-AligningNo
Rocker Arm StyleNon-roller
Rocker Arm Body StyleStandard
Arm MaterialSteel
Ratio1.5
Part FitmentSemi Universal
Vendor Part Number66905
Package Qty1
Package TypeEA
No Questions
No Reviews

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Some parts are not legal for use in California or other states with similar laws / regulations
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