BCBC MRM-1740 Engine Rocker Arm Bolt
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BCBC MRM-1740 Engine Rocker Arm Bolt

Brand BCBC MRM-1740
Material Hardened steel
Length 1.687
Length 43.0
Grade Type Standard replacement
Thread Type Coarse
Head Drive Type Hex
Product line Stock
Fits Ford, Lincoln, and Mercury · 416 vehicles

Standard replacement. Hardened steel rocker arm bolt for engine rebuild and valve train service.

Hex head design. Provides wrench access for straightforward installation and removal.

Melling quality. Built to high material and manufacturing standards for engine hardware.

Cross-references 25-12, 42-1740 and 184-1034 for the same application. See all 10.

$11.70Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Rocker Arm Bolt options

Engine rocker arm bolt details

The Melling MRM-1740 is a standard replacement engine rocker arm bolt built for rebuild work and valve train service. It uses hardened steel construction and a coarse-thread, hex-head design for straightforward service in compatible Ford, Lincoln, and Mercury applications.

  • Hardened steel construction for strength in engine hardware service
  • Standard replacement design for rebuild and repair work
  • Coarse thread type for common engine assembly use
  • Hex head drive for wrench access during installation
  • Fits a wide range of classic Ford, Lincoln, and Mercury engines

Fitment and application

Compatible With stock engine applications across multiple Ford, Lincoln, and Mercury models. Fits 1970-1973 Ford Mustang, N/A; Fits 1975-1981 Ford F-150, N/A; Fits 1973-1997 Ford F-350, N/A; Fits 1970-1979 Mercury Cougar, N/A; Fits 1972-1980 Lincoln Continental, N/A.

This part cross-references Monroe Shocks & Struts (e.g., 42-1740, RM-1740) for the same application.

What it is used for

  • Replacing worn rocker arm bolts during engine rebuilds
  • Addressing stretched threads or metal fatigue in old fasteners
  • Restoring proper rocker arm clamping during valve train service
  • Replacing bolts that were damaged or lost during teardown
  • Reducing the risk of cracking during removal of aged hardware

Installation notes and quality

Use new rocker arm bolts during engine rebuilds to support correct installation and valve train adjustment. Verify thread type, head style, and length against the original hardware before assembly. Melling specifies high material and manufacturing standards for this engine fastener, and the MRM-1740 is a standard replacement part.

This part fits 416 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypeNotes
1998FordF-700—7.0LV8GASStock
1998FordF-800—7.0LV8GASStock
1997FordF-250 HD—7.5LV8—Stock
1997FordF-350—7.5LV8—Stock
1997FordF-700—7.0LV8GASStock
1997FordF-800—7.0LV8GASStock
1996FordE-350 Econoline—7.5LV8—Stock
1996FordE-350 Econoline Club Wagon—7.5LV8—Stock
1996FordF-250—7.5LV8—Stock
1996FordF-350—7.5LV8—Stock
1996FordF-700—7.0LV8GASStock
1995FordE-350 Econoline—7.5LV8—Stock
1995FordE-350 Econoline Club Wagon—7.5LV8—Stock
1995FordF-250—7.5LV8—Stock
1995FordF-350—7.5LV8—Stock
1995FordF-700—7.0LV8GASStock
1994FordE-350 Econoline—7.5LV8—Stock
1994FordE-350 Econoline Club Wagon—7.5LV8—Stock
1994FordF-250—7.5LV8—Stock
1994FordF-350—7.5LV8—Stock
1994FordF-600—7.0LV8GASStock
1994FordF-600 LPO—7.0LV8GASStock
1994FordF-700—7.0LV8GASStock
1993FordE-350 Econoline—7.5LV8—Stock
1993FordE-350 Econoline Club Wagon—7.5LV8—Stock
1993FordF-250—7.5LV8—Stock
1993FordF-350—7.5LV8—Stock
1993FordF-600—7.0LV8GASStock
1993FordF-600 LPO—7.0LV8GASStock
1993FordF-700—7.0LV8GASStock
1992FordE-350 Econoline—7.5LV8—Stock
1992FordE-350 Econoline Club Wagon—7.5LV8—Stock
1992FordF-250—7.5LV8—Stock
1992FordF-350—7.5LV8—Stock
1992FordF-600—7.0LV8GASStock
1992FordF-600 LPO—7.0LV8GASStock
1992FordF-700—7.0LV8GASStock
1991FordE-250 Econoline Club Wagon—7.5LV8—Stock
1991FordE-350 Econoline—7.5LV8—Stock
1991FordE-350 Econoline Club Wagon—7.5LV8—Stock
1991FordF-250—7.5LV8—Stock
1991FordF-350—7.5LV8—Stock
1991FordF-600—7.0LV8GASStock
1991FordF-600 LPO—7.0LV8GASStock
1991FordF-700—7.0LV8GASStock
1991FordF-800—7.0LV8GASStock
1990FordE-250 Econoline Club Wagon—7.5LV8—Stock
1990FordE-350 Econoline—7.5LV8—Stock
1990FordE-350 Econoline Club Wagon—7.5LV8—Stock
1990FordF-250—7.5LV8—Stock
1990FordF-350—7.5LV8—Stock
1990FordF-600—7.0LV8GASStock
1990FordF-600 LPO—7.0LV8GASStock
1990FordF-700—7.0LV8GASStock
1990FordF-800—7.0LV8GASStock
1990FordFT800—7.0LV8GASStock
1989FordB-600—7.0LV8GASStock
1989FordB-700—7.0LV8GASStock
1989FordE-250 Econoline Club Wagon—7.5LV8—Stock
1989FordE-350 Econoline—7.5LV8—Stock
1989FordE-350 Econoline Club Wagon—7.5LV8—Stock
1989FordF-250—7.5LV8—Stock
1989FordF-350—7.5LV8—Stock
1989FordF-600—7.0LV8GASStock
1989FordF-700—7.0LV8GASStock
1989FordF-800—7.0LV8GASStock
1989FordFT800—7.0LV8GASStock
1988FordB-600—7.0LV8GASStock
1988FordB-700—7.0LV8GASStock
1988FordE-250 Econoline Club Wagon—7.5LV8—Stock
1988FordE-350 Econoline—7.5LV8—Stock
1988FordE-350 Econoline Club Wagon—7.5LV8—Stock
1988FordF-250—7.5LV8—Stock
1988FordF-350—7.5LV8—Stock
1988FordF-600—7.0LV8GASStock
1988FordF-700—7.0LV8GASStock
1988FordF-800—7.0LV8GASStock
1988FordFT800—7.0LV8GASStock
1987FordB-600—6.1LV8GASStock
1987FordB-700—7.0LV8GASStock
1987FordC800—7.0LV8GASStock
1987FordE-250 Econoline Club Wagon—7.5LV8—Stock
1987FordE-350 Econoline—7.5LV8—Stock
1987FordE-350 Econoline Club Wagon—7.5LV8—Stock
1987FordF-250—7.5LV8—Stock
1987FordF-350—7.5LV8—Stock
1987FordF-600—7.0LV8GASStock
1987FordF-700—7.0LV8GASStock
1987FordF-800—7.0LV8GASStock
1987FordFT800—7.0LV8GASStock
1986FordB-600—6.1LV8GASStock
1986FordB-700—7.0LV8GASStock
1986FordC600—6.1LV8GASStock
1986FordC700—7.0LV8GASStock
1986FordC800—7.0LV8GASStock
1986FordE-250 Econoline Club Wagon—7.5LV8—Stock
1986FordE-350 Econoline—7.5LV8—Stock
1986FordE-350 Econoline Club Wagon—7.5LV8—Stock
1986FordF-250—7.5LV8—Stock
1986FordF-350—7.5LV8—Stock
1986FordF-600—7.0LV8GASStock
1986FordF-700—7.0LV8GASStock
1986FordF-800—7.0LV8GASStock
1986FordFT800—7.0LV8GASStock
1985FordB-600—6.1LV8GASStock
1985FordB-700—7.0LV8GASStock
1985FordC600—6.1LV8GASStock
1985FordC700—7.0LV8GASStock
1985FordC800—7.0LV8GASStock
1985FordE-250 Econoline Club Wagon—7.5LV8—Stock
1985FordE-350 Econoline—7.5LV8—Stock
1985FordE-350 Econoline Club Wagon—7.5LV8—Stock
1985FordF-250—7.5LV8—Stock
1985FordF-350—7.5LV8—Stock
1985FordF-600—7.0LV8GASStock
1985FordF-700—7.0LV8GASStock
1985FordF-800—7.0LV8GASStock
1985FordFT800—7.0LV8GASStock
1985FordL800—7.0LV8GASStock
1985FordLN600—6.1LV8GASStock
1985FordLN700—7.0LV8GASStock
1985FordLN800—7.0LV8GASStock
1984FordB-600—6.1LV8GASStock
1984FordB-700—7.0LV8GASStock
1984FordC600—6.1LV8GASStock
1984FordC700—7.0LV8GASStock
1984FordC800—7.0LV8GASStock
1984FordE-250 Econoline Club Wagon—7.5LV8—Stock
1984FordE-350 Econoline—7.5LV8—Stock
1984FordE-350 Econoline Club Wagon—7.5LV8—Stock
1984FordF-250—7.5LV8—Stock
1984FordF-350—7.5LV8—Stock
1984FordF-600—7.0LV8GASStock
1984FordF-700—7.0LV8GASStock
1984FordF-800—7.0LV8GASStock
1984FordFT800—7.0LV8GASStock
1984FordL800—7.0LV8GASStock
1984FordLN600—6.1LV8GASStock
1984FordLN700—7.0LV8GASStock
1984FordLN800—7.0LV8GASStock
1983FordB-600—6.1LV8GASStock
1983FordB-700—7.0LV8GASStock
1983FordC600—6.1LV8GASStock
1983FordC700—7.0LV8GASStock
1983FordC800—7.0LV8GASStock
1983FordE-250 Econoline Club Wagon—7.5LV8—Stock
1983FordE-350 Econoline—7.5LV8—Stock
1983FordE-350 Econoline Club Wagon—7.5LV8—Stock
1983FordF-250—7.5LV8—Stock
1983FordF-350—7.5LV8—Stock
1983FordF-600—7.0LV8GASStock
1983FordF-700—7.0LV8GASStock
1983FordF-800—7.0LV8GASStock
1983FordFT800—7.0LV8GASStock
1983FordL800—7.0LV8GASStock
1983FordLN600—6.1LV8GASStock
1983FordLN700—7.0LV8GASStock
1983FordLN800—7.0LV8GASStock
1982FordB-600—6.1LV8GASStock
1982FordB-700—7.0LV8GASStock
1982FordC600—6.1LV8GASStock
1982FordC700—7.0LV8GASStock
1982FordC800—7.0LV8GASStock
1982FordE-250 Econoline Club Wagon—7.5LV8—Stock
1982FordE-350 Econoline—7.5LV8—Stock
1982FordE-350 Econoline Club Wagon—7.5LV8—Stock
1982FordF-250—6.6LV8—Stock
1982FordF-350—6.6LV8—Stock
1982FordF-600—7.0LV8GASStock
1982FordF-700—7.0LV8GASStock
1982FordF-800—7.0LV8GASStock
1982FordFT800—7.0LV8GASStock
1982FordL800—7.0LV8GASStock
1982FordLN600—6.1LV8GASStock
1982FordLN700—7.0LV8GASStock
1982FordLN800—7.0LV8GASStock
1981FordB-600—6.1LV8GASStock
1981FordB-700—7.0LV8GASStock
1981FordBronco—5.8LV8—Stock
1981FordC600—6.1LV8GASStock
1981FordC700—7.0LV8GASStock
1981FordC800—7.0LV8GASStock
1981FordE-250 Econoline—5.8LV8—Stock
1981FordE-250 Econoline Club Wagon—5.8LV8—Stock
1981FordE-350 Econoline—5.8LV8—Stock
1981FordE-350 Econoline Club Wagon—5.8LV8—Stock
1981FordF-150—5.8LV8—Stock
1981FordF-250—5.8LV8—Stock
1981FordF-350—5.8LV8—Stock
1981FordF-600—7.0LV8GASStock
1981FordF-700—7.0LV8GASStock
1981FordF-800—7.0LV8GASStock
1981FordFT800—7.0LV8GASStock
1981FordL800—7.0LV8GASStock
1981FordLN600—6.1LV8GASStock
1981FordLN700—7.0LV8GASStock
1981FordLN800—7.0LV8GASStock
1980FordB-600—6.1LV8GASStock
1980FordB-700—7.0LV8GASStock
1980FordBronco—5.8LV8—Stock
1980FordC600—6.1LV8GASStock
1980FordC700—7.0LV8GASStock
1980FordC800—7.0LV8GASStock
1980FordE-100 Econoline—6.6LV8—Stock
1980FordE-250 Econoline—5.8LV8—Stock
1980FordE-250 Econoline Club Wagon—5.8LV8—Stock
1980FordE-350 Econoline—5.8LV8—Stock
1980FordE-350 Econoline Club Wagon—5.8LV8—Stock
1980FordF-150—5.8LV8—Stock
1980FordF-250—5.8LV8—Stock
1980FordF-350—5.8LV8—Stock
1980FordF-600—7.0LV8GASStock
1980FordF-700—7.0LV8GASStock
1980FordF-800—7.0LV8GASStock
1980FordFT800—7.0LV8GASStock
1980FordL800—7.0LV8GASStock
1980FordLN600—6.1LV8GASStock
1980FordLN700—7.0LV8GASStock
1980FordLN800—7.0LV8GASStock
1980LincolnContinental—5.8LV8—Stock
1980LincolnMark VI—5.8LV8—Stock
1980MercuryGrand Marquis—5.8LV8—Stock
1980MercuryMarquis—5.8LV8—Stock
1979FordBronco—5.8LV8—Stock
1979FordE-250 Econoline—7.5LV8—Stock
1979FordE-250 Econoline Club Wagon—7.5LV8—Stock
1979FordE-350 Econoline—7.5LV8—Stock
1979FordE-350 Econoline Club Wagon—7.5LV8—Stock
1979FordF-100—5.8LV8—Stock
1979FordF-150—5.8LV8—Stock
1979FordF-250—5.8LV8—Stock
1979FordF-350—5.8LV8—Stock
1979FordLTD II—5.8LV8—Stock
1979FordRanchero—5.8LV8—Stock
1979FordThunderbird—5.8LV8—Stock
1979LincolnContinental—6.6LV8—Stock
1979LincolnMark V—6.6LV8—Stock
1979MercuryCougar—5.8LV8—Stock
1978FordBronco—5.8LV8—Stock
1978FordE-100 Econoline—7.5LV8—Stock
1978FordE-250 Econoline—7.5LV8—Stock
1978FordE-250 Econoline Club Wagon—7.5LV8—Stock
1978FordE-350 Econoline—7.5LV8—Stock
1978FordE-350 Econoline Club Wagon—7.5LV8—Stock
1978FordF-100—5.8LV8—Stock
1978FordF-150—5.8LV8—Stock
1978FordF-250—5.8LV8—Stock
1978FordF-350—5.8LV8—Stock
1978FordLTD—5.8LV8—Stock
1978FordLTD II—5.8LV8—Stock
1978FordRanchero—5.8LV8—Stock
1978FordThunderbird—5.8LV8—Stock
1978LincolnContinental—7.5LV8—Stock
1978LincolnMark V—7.5LV8—Stock
1978MercuryCougar—5.8LV8—Stock
1978MercuryGrand Marquis—5.8LV8—Stock
1978MercuryMarquis—5.8LV8—Stock
1977FordCustom 500—5.8LV8—Stock
1977FordE-250 Econoline—7.5LV8—Stock
1977FordE-250 Econoline Club Wagon—7.5LV8—Stock
1977FordE-350 Econoline—7.5LV8—Stock
1977FordE-350 Econoline Club Wagon—7.5LV8—Stock
1977FordF-100—5.8LV8—Stock
1977FordF-150—5.8LV8—Stock
1977FordF-250—5.8LV8—Stock
1977FordF-350—5.8LV8—Stock
1977FordLTD—5.8LV8—Stock
1977FordLTD II—5.8LV8—Stock
1977FordP-500—6.6LV8—Stock
1977FordRanchero—5.8LV8—Stock
1977FordThunderbird—5.8LV8—Stock
1977LincolnContinental—7.5LV8—Stock
1977LincolnMark V—7.5LV8—Stock
1977MercuryCougar—5.8LV8—Stock
1977MercuryGrand Marquis—7.5LV8—Stock
1977MercuryMarquis—7.5LV8—Stock
1976FordCustom 500—5.8LV8—Stock
1976FordE-250 Econoline—7.5LV8—Stock
1976FordE-250 Econoline Club Wagon—7.5LV8—Stock
1976FordE-350 Econoline—7.5LV8—Stock
1976FordElite—5.8LV8—Stock
1976FordF-150—7.5LV8—Stock
1976FordF-250—7.5LV8—Stock
1976FordF-350—7.5LV8—Stock
1976FordGran Torino—5.8LV8—Stock
1976FordLTD—5.8LV8—Stock
1976FordP-350—6.6LV8—Stock
1976FordP-400—6.6LV8—Stock
1976FordP-500—6.6LV8—Stock
1976FordRanchero—5.8LV8—Stock
1976FordThunderbird—7.5LV8—Stock
1976FordTorino—5.8LV8—Stock
1976LincolnContinental—7.5LV8—Stock
1976LincolnMark IV—7.5LV8—Stock
1976MercuryCougar—5.8LV8—Stock
1976MercuryGrand Marquis—7.5LV8—Stock
1976MercuryMarquis—7.5LV8—Stock
1976MercuryMontego—5.8LV8—Stock
1975FordCustom 500—5.8LV8—Stock
1975FordE-250 Econoline—7.5LV8—Stock
1975FordE-250 Econoline Club Wagon—7.5LV8—Stock
1975FordE-350 Econoline—7.5LV8—Stock
1975FordElite—5.8LV8—Stock
1975FordF-150—7.5LV8—Stock
1975FordF-250—7.5LV8—Stock
1975FordF-350—7.5LV8—Stock
1975FordGran Torino—5.8LV8—Stock
1975FordLTD—5.8LV8—Stock
1975FordRanchero—5.8LV8—Stock
1975FordThunderbird—7.5LV8—Stock
1975FordTorino—5.8LV8—Stock
1975LincolnContinental—7.5LV8—Stock
1975LincolnMark IV—7.5LV8—Stock
1975MercuryCougar—5.8LV8—Stock
1975MercuryGrand Marquis—7.5LV8—Stock
1975MercuryMarquis—7.5LV8—Stock
1975MercuryMontego—5.8LV8—Stock
1974FordCountry Sedan—5.8LV8—Stock
1974FordCountry Squire—5.8LV8—Stock
1974FordCustom 500—5.8LV8—Stock
1974FordF-100—7.5LV8—Stock
1974FordF-250—7.5LV8—Stock
1974FordF-350—7.5LV8—Stock
1974FordGalaxie 500—5.8LV8—Stock
1974FordGran Torino—5.8LV8—Stock
1974FordLTD—5.8LV8—Stock
1974FordRanch Wagon—5.8LV8—Stock
1974FordRanchero—5.8LV8—Stock
1974FordThunderbird—7.5LV8—Stock
1974FordTorino—5.8LV8—Stock
1974LincolnContinental—7.5LV8—Stock
1974LincolnMark IV—7.5LV8—Stock
1974MercuryColony Park—5.8LV8—Stock
1974MercuryCougar—5.8LV8—Stock
1974MercuryMarquis—5.8LV8—Stock
1974MercuryMontego—5.8LV8—Stock
1974MercuryMonterey—5.8LV8—Stock
1973FordCountry Sedan—5.8LV8—Stock
1973FordCountry Squire—5.8LV8—Stock
1973FordCustom 500—5.8LV8—Stock
1973FordF-100—7.5LV8—Stock
1973FordF-250—7.5LV8—Stock
1973FordF-350—7.5LV8—Stock
1973FordGalaxie 500—5.8LV8—Stock
1973FordGran Torino—5.8LV8—Stock
1973FordLTD—5.8LV8—Stock
1973FordMustang—5.8LV8—Stock
1973FordRanch Wagon—5.8LV8—Stock
1973FordRanchero—5.8LV8—Stock
1973FordThunderbird—7.5LV8—Stock
1973FordTorino—5.8LV8—Stock
1973LincolnContinental—7.5LV8—Stock
1973LincolnMark IV—7.5LV8—Stock
1973MercuryColony Park—5.8LV8—Stock
1973MercuryCougar—5.8LV8—Stock
1973MercuryMarquis—5.8LV8—Stock
1973MercuryMontego—5.8LV8—Stock
1973MercuryMonterey—5.8LV8—Stock
1972FordCountry SedanBase7.0LV8—Stock
1972FordCountry SquireBase7.0LV8—Stock
1972FordCustomBase7.0LV8—Stock
1972FordCustom 500Base7.0LV8—Stock
1972FordGalaxie 500Base7.0LV8—Stock
1972FordGran Torino—5.8LV8—Stock
1972FordLTDBrougham7.0LV8—Stock
1972FordMustang—5.8LV8—Stock
1972FordRanch WagonBase7.0LV8—Stock
1972FordRanchero—7.0LV8—Stock
1972FordThunderbird—7.5LV8—Stock
1972FordTorino—5.8LV8—Stock
1972LincolnContinental—7.5LV8—Stock
1972LincolnMark IV—7.5LV8—Stock
1972MercuryColony Park—7.0LV8—Stock
1972MercuryCougar—5.8LV8—Stock
1972MercuryMarquis—7.0LV8—Stock
1972MercuryMontego—5.8LV8—Stock
1972MercuryMonterey—7.0LV8—Stock
1971FordCountry SedanBase7.0LV8—Stock
1971FordCountry Squire—5.8LV8—Stock
1971FordCustom—5.8LV8—Stock
1971FordCustom 500—5.8LV8—Stock
1971FordGalaxie 500—5.8LV8—Stock
1971FordLTD—5.8LV8—Stock
1971FordMustangMach 17.0LV8—Stock
1971FordRanch Wagon—5.8LV8—Stock
1971FordRanchero—7.0LV8—Stock
1971FordThunderbird—7.0LV8—Stock
1971FordTorinoSuper Cobra Jet7.0LV8—Stock
1971MercuryColony Park—7.0LV8—Stock
1971MercuryCougar—7.0LV8—Stock
1971MercuryCyclone—7.0LV8—Stock
1971MercuryMarquis—7.0LV8—Stock
1971MercuryMontego—7.0LV8—Stock
1971MercuryMonterey—7.0LV8—Stock
1970FordCountry Sedan—5.8LV8—Stock
1970FordCountry Squire—5.8LV8—Stock
1970FordCustom—5.8LV8—Stock
1970FordCustom 500—5.8LV8—Stock
1970FordFairlane5007.0LV8—Stock
1970FordFalconFutura7.0LV8—Stock
1970FordGalaxie 500—5.8LV8—Stock
1970FordLTD—5.8LV8—Stock
1970FordMustangMach 17.0LV8—Stock
1970FordRanch Wagon—5.8LV8—Stock
1970FordRanchero—7.0LV8—Stock
1970FordThunderbird—7.0LV8—Stock
1970FordTorinoSuper Cobra Jet7.0LV8—Stock
1970MercuryColony Park—5.8LV8—Stock
1970MercuryCougar—7.0LV8—Stock
1970MercuryCyclone—7.0LV8—Stock
1970MercuryMarquis—5.8LV8—Stock
1970MercuryMontego—7.0LV8—Stock
1970MercuryMonterey—5.8LV8—Stock
1969MercuryComet—5.8LV8—Stock
1969MercuryCyclone—5.8LV8—Stock
1969MercuryMontego—5.8LV8—Stock
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
25-1242-1740184-1034D3AZ-6A527-ADOOZ-6A527-AMR-1813MR-1951MS787RM-673RM-1740