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Proform Stamped Steel Rocker Arms 66905 Arms, 3/8 in. Stud Mount, Steel, 1.5 Ratio, Chevy, Small Block, Set of 16

SKU: PRO66905

Rocker Arms

Proform Stamped Steel Rocker Arms 66905 Arms, 3/8 in. Stud Mount, Steel, 1.5 Ratio, Chevy, Small Block, Set of 16

SKU: PRO66905

Rocker Arms
A$345.99
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

These Proform stamped steel rocker arms are designed for use when a roller tip is not required. Featuring proven OEM quality, their extra-long slot eliminates rocker-to-stud interference when using high-lift cams.

Part Type

SBC Rocker Arm Set 1.5 Ratio 3/8in Stud

Data: v4.2 - Upd: 2026-10-15 09:15:19

Specifications

Product Attributes - Brand
Proform Parts
Product Attributes - Manufacturer's Part Number
66905
Product Attributes - Part Type
Rocker Arms
Product Attributes - Product Line
Proform Stamped Steel Rocker Arms
Product Attributes - UPC
037995369058
Product Attributes - Rocker Arm Mounting Style
Stud
Product Attributes - Self-Aligning
No
Product Attributes - Rocker Arm Ratio
1.5
Product Attributes - Stud Size
3/8 in.
Product Attributes - Rocker Arm Style
Non-roller
Product Attributes - Shims Included
No
Product Attributes - Rocker Arm Material
Steel
Product Attributes - Rocker Arm Body Style
Standard
Product Attributes - Rocker Arm Fasteners Included
Yes
Product Attributes - Rocker Arm Nut Style
Self-locking
Product Attributes - Slot Style
Extra-long
Product Attributes - Rocker Arm Finish
Natural
Product Attributes - Quantity
Sold as a set of 16.

Reference Information

Brand Name/s Proform Parts
StreetFX SKU pro66905
SFX Item ID 5006815
Supplier Item Code 5006815
Manufacturer SKU 66905
Manufacturer UPC 37995369058
Alternative References PFM66905

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1955
    Ending Year1957
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/265
  • MakeCHEVROLET
    Beginning Year1957
    Ending Year1967
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.6L/283
  • MakeCHEVROLET
    Beginning Year1962
    Ending Year1969
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.4L/327
  • MakeCHEVROLET
    Beginning Year1968
    Ending Year1973
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/307
  • MakeCHEVROLET
    Beginning Year1968
    Ending Year1997
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.7L/350
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1980
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size6.6L/400
  • MakeCHEVROLET
    Beginning Year1975
    Ending Year1976
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size4.3L/262
  • MakeCHEVROLET
    Beginning Year1976
    Ending Year1996
    Engine TypeV8
    Engine FamilyChevy small block Gen I
    Engine Size5.0L/305

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