BCBC MRDS-934 Engine Rocker Arm Stud
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BCBC MRDS-934 Engine Rocker Arm Stud

Brand BCBC MRDS-934
Material Steel
Grade Type Standard replacement
Product line Stock
Fits Ford, International, and Mercury · 327 vehicles

Standard replacement. Steel rocker arm stud for stock-style engine rebuild service.

Made in the USA. Manufactured to Melling quality and material standards.

Cross-references 20-10, 42-2934 and 47004 for the same application. See all 7.

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Not what you need? See all Engine Rocker Arm Stud options

Engine Rocker Arm Stud Replacement

This Melling engine rocker arm stud is a standard replacement part for classic Ford and International applications. Built from steel and made in the USA, it supports proper valve train setup during engine rebuilds and service work.

  • Steel construction for dependable hardware replacement
  • Standard replacement grade for stock-style rebuilds
  • Made in the USA
  • Fits a wide range of Ford, Mercury, and International engines and chassis applications

Fitment and Application

Compatible with many vintage Ford and Mercury models, including Mustang, F-100, and Galaxie 500 applications, as well as select International trucks and vans. Fits 1964-1969 Ford Mustang, N/A. Fits 1965-1977 Ford F-100, N/A. Fits 1962-1972 Ford Galaxie 500, N/A. Part number MRDS-934 is also listed for multiple stock-size rebuild applications across these platforms.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Worn or stretched rocker arm studs during engine rebuilds
  • Damaged threads that affect valve train adjustment
  • Stud removal issues that can crack the cylinder head
  • Missing or compromised original hardware in stock engine service

Installation Notes and Quality

Use new rocker arm studs during rebuilds to help ensure correct installation and valve train adjustment. Verify standard-size stock application before installation. Melling recommends replacing rocker arm studs during engine rebuild service, and part number MRDS-934 is manufactured to material and quality standards for replacement use.

This part fits 327 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersNotes
1977FordE-100 Econoline—4.9LL6Standard Size; Stock
1977FordE-100 Econoline Club Wagon—4.9LL6Standard Size; Stock
1977FordE-150 Econoline—4.9LL6Standard Size; Stock
1977FordE-150 Econoline Club Wagon—4.9LL6Standard Size; Stock
1977FordE-250 Econoline—4.9LL6Standard Size; Stock
1977FordE-250 Econoline Club Wagon—4.9LL6Standard Size; Stock
1977FordE-350 Econoline—4.9LL6Standard Size; Stock
1977FordE-350 Econoline Club Wagon—4.9LL6Standard Size; Stock
1977FordF-100—4.9LL6Standard Size; Stock
1977FordF-150—4.9LL6Standard Size; Stock
1977FordF-250—4.9LL6Standard Size; Stock
1977FordF-350—4.9LL6Standard Size; Stock
1977FordP-500—4.9LL6Standard Size; Stock
1976FordE-100 Econoline—4.9LL6Standard Size; Stock
1976FordE-100 Econoline Club Wagon—4.9LL6Standard Size; Stock
1976FordE-150 Econoline—4.9LL6Standard Size; Stock
1976FordE-150 Econoline Club Wagon—4.9LL6Standard Size; Stock
1976FordE-250 Econoline—4.9LL6Standard Size; Stock
1976FordE-350 Econoline—4.9LL6Standard Size; Stock
1976FordF-100—4.9LL6Standard Size; Stock
1976FordF-150—4.9LL6Standard Size; Stock
1976FordF-250—4.9LL6Standard Size; Stock
1976FordF-350—4.9LL6Standard Size; Stock
1976FordP-350—4.9LL6Standard Size; Stock
1976FordP-400—4.9LL6Standard Size; Stock
1976FordP-500—4.9LL6Standard Size; Stock
1975FordE-100 Econoline—4.9LL6Standard Size; Stock
1975FordE-100 Econoline Club Wagon—4.9LL6Standard Size; Stock
1975FordE-150 Econoline—4.9LL6Standard Size; Stock
1975FordE-150 Econoline Club Wagon—4.9LL6Standard Size; Stock
1975FordE-250 Econoline—4.9LL6Standard Size; Stock
1975FordE-350 Econoline—4.9LL6Standard Size; Stock
1975FordF-100—4.9LL6Standard Size; Stock
1975FordF-150—4.9LL6Standard Size; Stock
1975FordF-250—4.9LL6Standard Size; Stock
1975FordF-350—4.9LL6Standard Size; Stock
1975FordP-350—4.9LL6Standard Size; Stock
1975FordP-400—4.9LL6Standard Size; Stock
1975FordP-500—4.9LL6Standard Size; Stock
1974FordE-100 Econoline—4.9LL6Standard Size; Stock
1974FordE-200 Econoline—4.9LL6Standard Size; Stock
1974FordE-300 Econoline—4.9LL6Standard Size; Stock
1974FordF-100—4.9LL6Standard Size; Stock
1974FordF-250—4.9LL6Standard Size; Stock
1974FordF-350—4.9LL6Standard Size; Stock
1974FordP-350—4.9LL6Standard Size; Stock
1973FordE-100 Econoline—4.9LL6Standard Size; Stock
1973FordE-200 Econoline—4.9LL6Standard Size; Stock
1973FordE-300 Econoline—4.9LL6Standard Size; Stock
1973FordF-100—4.9LL6Standard Size; Stock
1973FordF-250—4.9LL6Standard Size; Stock
1973FordF-350—4.9LL6Standard Size; Stock
1973FordP-100—3.9LL6Standard Size; Stock
1973FordP-350—4.9LL6Standard Size; Stock
1972FordCountry Sedan—3.9LL6Standard Size; Stock
1972FordCountry Squire—3.9LL6Standard Size; Stock
1972FordCustom—3.9LL6Standard Size; Stock
1972FordCustom 500—3.9LL6Standard Size; Stock
1972FordE-100 Econoline—4.9LL6Standard Size; Stock
1972FordE-200 Econoline—4.9LL6Standard Size; Stock
1972FordE-300 Econoline—4.9LL6Standard Size; Stock
1972FordF-100—4.9LL6Standard Size; Stock
1972FordF-250—4.9LL6Standard Size; Stock
1972FordF-350—4.9LL6Standard Size; Stock
1972FordGalaxie 500—3.9LL6Standard Size; Stock
1972FordLTD—3.9LL6Standard Size; Stock
1972FordP-100—3.9LL6Standard Size; Stock
1972FordP-350—4.9LL6Standard Size; Stock
1972FordRanch Wagon—3.9LL6Standard Size; Stock
1971FordCountry Sedan—3.9LL6Standard Size; Stock
1971FordCountry Squire—3.9LL6Standard Size; Stock
1971FordCustom—3.9LL6Standard Size; Stock
1971FordCustom 500—3.9LL6Standard Size; Stock
1971FordE-100 Econoline—3.9LL6Standard Size; Stock
1971FordE-200 Econoline—3.9LL6Standard Size; Stock
1971FordE-300 Econoline—3.9LL6Standard Size; Stock
1971FordF-100—4.9LL6Standard Size; Stock
1971FordF-250—4.9LL6Standard Size; Stock
1971FordF-350—4.9LL6Standard Size; Stock
1971FordGalaxie 500—3.9LL6Standard Size; Stock
1971FordLTD—3.9LL6Standard Size; Stock
1971FordP-100—3.9LL6Standard Size; Stock
1971FordP-350—4.9LL6Standard Size; Stock
1971FordRanch Wagon—3.9LL6Standard Size; Stock
1970FordCountry Sedan—3.9LL6Standard Size; Stock
1970FordCountry Squire—3.9LL6Standard Size; Stock
1970FordCustom—3.9LL6Standard Size; Stock
1970FordCustom 500—3.9LL6Standard Size; Stock
1970FordE-100 Econoline—3.9LL6Standard Size; Stock
1970FordE-200 Econoline—3.9LL6Standard Size; Stock
1970FordE-300 Econoline—3.9LL6Standard Size; Stock
1970FordF-100—4.9LL6Standard Size; Stock
1970FordF-250—4.9LL6Standard Size; Stock
1970FordF-350—4.9LL6Standard Size; Stock
1970FordGalaxie 500—3.9LL6Standard Size; Stock
1970FordLTD—3.9LL6Standard Size; Stock
1970FordP-100—3.9LL6Standard Size; Stock
1970FordP-350—4.9LL6Standard Size; Stock
1970FordRanch Wagon—3.9LL6Standard Size; Stock
1970International1000D—3.9LL6Standard Size; Stock
1970International1100D—3.9LL6Standard Size; Stock
1970International1200D—3.9LL6Standard Size; Stock
1970International1300D—3.9LL6Standard Size; Stock
1970InternationalM1100—3.9LL6Standard Size; Stock
1970InternationalM1200—3.9LL6Standard Size; Stock
1970InternationalM800—3.9LL6Standard Size; Stock
1970InternationalM800 Post Office—3.9LL6Standard Size; Stock
1970InternationalMA1200—3.9LL6Standard Size; Stock
1969FordBronco—5.0LV8Standard Size; Stock
1969FordCountry Sedan—5.0LV8Standard Size; Stock
1969FordCountry Squire—5.0LV8Standard Size; Stock
1969FordCustom—5.0LV8Standard Size; Stock
1969FordCustom 500—5.0LV8Standard Size; Stock
1969FordE-100 Econoline—5.0LV8Standard Size; Stock
1969FordE-200 Econoline—5.0LV8Standard Size; Stock
1969FordE-300 Econoline—5.0LV8Standard Size; Stock
1969FordF-100—5.0LV8Standard Size; Stock
1969FordF-250—4.9LL6Standard Size; Stock
1969FordF-350—4.9LL6Standard Size; Stock
1969FordFairlane—5.0LV8Standard Size; Stock
1969FordFalcon—5.0LV8Standard Size; Stock
1969FordGalaxie 500—5.0LV8Standard Size; Stock
1969FordGT40—4.7LV8Standard Size; Stock
1969FordLTD—5.0LV8Standard Size; Stock
1969FordMustangBase5.0LV8Standard Size; Stock
1969FordP-100—3.9LL6Standard Size; Stock
1969FordP-350—4.9LL6Standard Size; Stock
1969FordRanch Wagon—5.0LV8Standard Size; Stock
1969FordRanchero—5.0LV8Standard Size; Stock
1969FordTorino—5.0LV8Standard Size; Stock
1969International1000D—3.9LL6Standard Size; Stock
1969International1100D—3.9LL6Standard Size; Stock
1969International1200D—3.9LL6Standard Size; Stock
1969International1300D—3.9LL6Standard Size; Stock
1969InternationalM1100—3.9LL6Standard Size; Stock
1969InternationalM1200—3.9LL6Standard Size; Stock
1969InternationalM800—3.9LL6Standard Size; Stock
1969InternationalM800 Navy—3.9LL6Standard Size; Stock
1969InternationalM800 Post Office—3.9LL6Standard Size; Stock
1969InternationalMA1200—3.9LL6Standard Size; Stock
1969MercuryComet—5.0LV8Standard Size; Stock
1969MercuryCougar—5.0LV8Standard Size; Stock
1969MercuryCyclone—5.0LV8Standard Size; Stock
1969MercuryMontego—5.0LV8Standard Size; Stock
1968FordBronco—5.0LV8Standard Size; Stock
1968FordCountry Sedan—5.0LV8Standard Size; Stock
1968FordCountry Squire—5.0LV8Standard Size; Stock
1968FordCustom—5.0LV8Standard Size; Stock
1968FordCustom 500—5.0LV8Standard Size; Stock
1968FordF-100—4.9LL6Standard Size; Stock
1968FordF-250—4.9LL6Standard Size; Stock
1968FordF-350—4.9LL6Standard Size; Stock
1968FordFairlane—5.0LV8Standard Size; Stock
1968FordFalcon—5.0LV8Standard Size; Stock
1968FordGalaxie 500—5.0LV8Standard Size; Stock
1968FordGT40—4.7LV8Standard Size; Stock
1968FordLTD—5.0LV8Standard Size; Stock
1968FordMustang—5.0LV8Standard Size; Stock
1968FordP-100—3.9LL6Standard Size; Stock
1968FordP-350—4.9LL6Standard Size; Stock
1968FordRanch Wagon—5.0LV8Standard Size; Stock
1968FordRanchero—5.0LV8Standard Size; Stock
1968FordTorino—5.0LV8Standard Size; Stock
1968International1000C—3.9LL6Standard Size; Stock
1968International1100C—3.9LL6Standard Size; Stock
1968International1200C—3.9LL6Standard Size; Stock
1968International1300C—3.9LL6Standard Size; Stock
1968InternationalM1100—3.9LL6Standard Size; Stock
1968InternationalM1200—3.9LL6Standard Size; Stock
1968InternationalM800—3.9LL6Standard Size; Stock
1968InternationalMA1200—3.9LL6Standard Size; Stock
1968MercuryComet—5.0LV8Standard Size; Stock
1968MercuryCougar—5.0LV8Standard Size; Stock
1968MercuryCyclone—5.0LV8Standard Size; Stock
1968MercuryMontego—5.0LV8Standard Size; Stock
1967FordBronco—4.7LV8Standard Size; Stock
1967FordClub Wagon—3.9LL6Standard Size; Stock
1967FordCountry Sedan—4.7LV8Standard Size; Stock
1967FordCountry Squire—4.7LV8Standard Size; Stock
1967FordCustom—4.7LV8Standard Size; Stock
1967FordCustom 500—4.7LV8Standard Size; Stock
1967FordEconoline—3.9LL6Standard Size; Stock
1967FordF-100—4.9LL6Standard Size; Stock
1967FordF-250—4.9LL6Standard Size; Stock
1967FordF-350—4.9LL6Standard Size; Stock
1967FordFairlane—4.7LV8Standard Size; Stock
1967FordFalcon—4.7LV8Standard Size; Stock
1967FordGalaxie—4.7LV8Standard Size; Stock
1967FordGalaxie 500—4.7LV8Standard Size; Stock
1967FordGT40—4.7LV8Standard Size; Stock
1967FordLTD—4.7LV8Standard Size; Stock
1967FordMustang—4.7LV8Standard Size; Stock
1967FordP-350—4.9LL6Standard Size; Stock
1967FordRanch Wagon—4.7LV8Standard Size; Stock
1967FordRanchero—4.7LV8Standard Size; Stock
1967International1000B—3.9LL6Standard Size; Stock
1967International1100B—3.9LL6Standard Size; Stock
1967International1200B—3.9LL6Standard Size; Stock
1967International1300B—3.9LL6Standard Size; Stock
1967InternationalM1100—3.9LL6Standard Size; Stock
1967InternationalM1200—3.9LL6Standard Size; Stock
1967InternationalM1400—3.9LL6Standard Size; Stock
1967InternationalM800—3.9LL6Standard Size; Stock
1967InternationalMA1200—3.9LL6Standard Size; Stock
1967MercuryCaliente—4.7LV8Standard Size; Stock
1967MercuryCapri—4.7LV8Standard Size; Stock
1967MercuryComet—4.7LV8Standard Size; Stock
1967MercuryCommuter—4.7LV8Standard Size; Stock
1967MercuryCougar—4.7LV8Standard Size; Stock
1967MercuryCyclone—4.7LV8Standard Size; Stock
1967MercuryVillager—4.7LV8Standard Size; Stock
1967MercuryVoyager—4.7LV8Standard Size; Stock
1966FordBronco—4.7LV8Standard Size; Stock
1966FordClub Wagon—3.9LL6Standard Size; Stock
1966FordCountry Sedan—4.7LV8Standard Size; Stock
1966FordCountry Squire—4.7LV8Standard Size; Stock
1966FordCustom—4.7LV8Standard Size; Stock
1966FordCustom 500—4.7LV8Standard Size; Stock
1966FordEconoline—3.9LL6Standard Size; Stock
1966FordF-100—4.9LL6Standard Size; Stock
1966FordF-250—4.9LL6Standard Size; Stock
1966FordF-350—4.9LL6Standard Size; Stock
1966FordFairlane—4.7LV8Standard Size; Stock
1966FordFalcon—4.7LV8Standard Size; Stock
1966FordGalaxie—4.7LV8Standard Size; Stock
1966FordGalaxie 500—4.7LV8Standard Size; Stock
1966FordGT40—4.7LV8Standard Size; Stock
1966FordLTD—4.7LV8Standard Size; Stock
1966FordMustang—4.7LV8Standard Size; Stock
1966FordP-350—4.9LL6Standard Size; Stock
1966FordRanch Wagon—4.7LV8Standard Size; Stock
1966FordRanchero—4.7LV8Standard Size; Stock
1966International1000A—3.9LL6Standard Size; Stock
1966International1100A—3.9LL6Standard Size; Stock
1966International1200A—3.9LL6Standard Size; Stock
1966International1300A—3.9LL6Standard Size; Stock
1966InternationalM1100—3.9LL6Standard Size; Stock
1966InternationalM1200—3.9LL6Standard Size; Stock
1966InternationalM1400—3.9LL6Standard Size; Stock
1966InternationalM800—3.9LL6Standard Size; Stock
1966MercuryCaliente—4.7LV8Standard Size; Stock
1966MercuryCapri—4.7LV8Standard Size; Stock
1966MercuryComet—4.7LV8Standard Size; Stock
1966MercuryCyclone—4.7LV8Standard Size; Stock
1966MercuryVillager—4.7LV8Standard Size; Stock
1966MercuryVoyager—4.7LV8Standard Size; Stock
1965FordClub Wagon—3.9LL6Standard Size; Stock
1965FordCountry Sedan—4.7LV8Standard Size; Stock
1965FordCountry Squire—4.7LV8Standard Size; Stock
1965FordCustom—4.7LV8Standard Size; Stock
1965FordCustom 500—4.7LV8Standard Size; Stock
1965FordEconoline—3.9LL6Standard Size; Stock
1965FordF-100—4.9LL6Standard Size; Stock
1965FordF-250—4.9LL6Standard Size; Stock
1965FordF-350—4.9LL6Standard Size; Stock
1965FordFairlane—4.7LV8Standard Size; Stock
1965FordFalcon—4.7LV8Standard Size; Stock
1965FordFalcon Sedan Delivery—4.7LV8Standard Size; Stock
1965FordGalaxie—4.7LV8Standard Size; Stock
1965FordGalaxie 500—4.7LV8Standard Size; Stock
1965FordGT40—4.7LV8Standard Size; Stock
1965FordLTD—4.7LV8Standard Size; Stock
1965FordMustang—4.7LV8Standard Size; Stock
1965FordP-350—4.9LL6Standard Size; Stock
1965FordRanch Wagon—4.7LV8Standard Size; Stock
1965FordRanchero—4.7LV8Standard Size; Stock
1965InternationalAB1200—3.9LL6Standard Size; Stock
1965InternationalAB140—3.9LL6Standard Size; Stock
1965InternationalAB1400—3.9LL6Standard Size; Stock
1965InternationalAM120—3.9LL6Standard Size; Stock
1965InternationalAM130—3.9LL6Standard Size; Stock
1965InternationalD1000—3.9LL6Standard Size; Stock
1965InternationalD1100—3.9LL6Standard Size; Stock
1965InternationalD1200—3.9LL6Standard Size; Stock
1965InternationalD1300—3.9LL6Standard Size; Stock
1965InternationalM1100—3.9LL6Standard Size; Stock
1965InternationalM1200—3.9LL6Standard Size; Stock
1965InternationalM1400—3.9LL6Standard Size; Stock
1965InternationalM800—3.9LL6Standard Size; Stock
1965MercuryCaliente—4.7LV8Standard Size; Stock
1965MercuryComet—4.7LV8Standard Size; Stock
1965MercuryCyclone—4.7LV8Standard Size; Stock
1965MercuryVillager—4.7LV8Standard Size; Stock
1964FordCountry Sedan—4.7LV8Standard Size; Stock
1964FordCountry Squire—4.7LV8Standard Size; Stock
1964FordCustom—4.7LV8Standard Size; Stock
1964FordCustom 500—4.7LV8Standard Size; Stock
1964FordFairlane—4.7LV8Standard Size; Stock
1964FordFalcon—4.7LV8Standard Size; Stock
1964FordFalcon Sedan Delivery—4.7LV8Standard Size; Stock
1964FordGalaxie—4.7LV8Standard Size; Stock
1964FordGalaxie 500—4.7LV8Standard Size; Stock
1964FordGT40—4.7LV8Standard Size; Stock
1964FordMustang—4.7LV8Standard Size; Stock
1964FordRanch Wagon—4.7LV8Standard Size; Stock
1964FordRanchero—4.3LV8Standard Size; Stock
1964FordSprint—4.7LV8Standard Size; Stock
1964MercuryCaliente—4.7LV8Standard Size; Stock
1964MercuryComet—4.7LV8Standard Size; Stock
1964MercuryCyclone—4.7LV8Standard Size; Stock
1964MercuryVillager—4.7LV8Standard Size; Stock
1963Ford300—4.7LV8Standard Size; Stock
1963FordCountry Sedan—4.7LV8Standard Size; Stock
1963FordCountry Squire—4.7LV8Standard Size; Stock
1963FordFairlane—4.7LV8Standard Size; Stock
1963FordFalcon—4.3LV8Standard Size; Stock
1963FordFalcon Sedan Delivery—4.3LV8Standard Size; Stock
1963FordGalaxie—4.7LV8Standard Size; Stock
1963FordGalaxie 500—4.7LV8Standard Size; Stock
1963FordRanch Wagon—4.7LV8Standard Size; Stock
1963FordRanchero—4.3LV8Standard Size; Stock
1963FordSprint—4.3LV8Standard Size; Stock
1963MercuryComet—4.3LV8Standard Size; Stock
1963MercuryCountry Cruiser—4.7LV8Standard Size; Stock
1963MercuryMeteor—4.7LV8Standard Size; Stock
1963MercuryVillager—4.3LV8Standard Size; Stock
1962FordCountry Sedan—4.3LV8Standard Size; Stock
1962FordCountry Squire—4.3LV8Standard Size; Stock
1962FordFairlane—4.3LV8Standard Size; Stock
1962FordFalcon—4.3LV8Standard Size; Stock
1962FordFalcon Sedan Delivery—4.3LV8Standard Size; Stock
1962FordGalaxie 500—4.3LV8Standard Size; Stock
1962FordRanch Wagon—4.3LV8Standard Size; Stock
1962FordRanchero—4.3LV8Standard Size; Stock
1962MercuryComet—4.3LV8Standard Size; Stock
1962MercuryMeteor—4.3LV8Standard Size; Stock
1962MercuryVillager—4.3LV8Standard Size; Stock
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
20-1042-293447004C5AZ-6A527-AMR-1901RDS-934RM-652