BCBC
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BCBC MC1278 Engine Camshaft

Brand BCBC MC1278
Lifter Type Hydraulic roller
Exhaust Valve Lift 0.416
Intake Valve Lift 0.403
Grade Type Standard replacement
Exhaust Duration at .050 inch Lift 200.0
Intake Duration at .050 Inch Lift 191.0
Advertised Exhaust Duration 288.0
Advertised Intake Duration 282.0
Cam Type Hydraulic roller
Computer Controlled Compatible Yes
Exhaust Valve Closes at 0.006 in. Cam Lift (SAE) 35 atc
Exhaust Valve Closes at 0.050 in. Cam Lift -20 atc
Exhaust Valve Opens at 0.006 in. Cam Lift (SAE) 73 bbc
Exhaust Valve Opens at 0.050 in. Cam Lift 40 bbc
Intake Valve Closes at 0.006 in. Cam Lift (SAE) 87 abc
Intake Valve Closes at 0.050 in. Cam Lift 29 abc
Intake Valve Opens at 0.006 in. Cam Lift (SAE) 16 btc
Intake Valve Opens at 0.050 in. Cam Lift -18 btc
Rocker Arm Ratio 1.6
Product line Stock
Fits Ford and Mazda · 24 vehicles

OE replacement grind. Stock-style cam profile for factory-like engine operation.

Hydraulic roller design. Built for engines that use a roller camshaft setup.

Made in the USA. Manufactured to Melling's OE replacement standards.

Cross-references CS-1531, F47Z-6250-A and F47Z-6250-B for the same application. See all 6.

$275.78Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $275.78
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Free returns within 60 days if it doesn't fit when fitment is verified.

OE Replacement Camshaft

The Melling MC1278 is a stock replacement engine camshaft built for OE-style service in compatible Ford and Mazda applications. It uses a hydraulic roller design and is computer controlled compatible, making it a direct match for engines that require factory-style cam timing and drivability.

Key Features

  • Hydraulic roller camshaft with standard replacement grind
  • Computer controlled compatible for factory-style engine management
  • Intake and exhaust timing profiles set for OE replacement use
  • Made in the USA with Melling quality standards
  • Part number MC1278 for easy identification

Detailed Description

Melling MC1278 is engineered as a stock replacement camshaft for engines that need original-style performance characteristics rather than an upgraded performance profile. The camshaft’s hydraulic roller design, 1.6 rocker arm ratio, and OE replacement grind support the engine requirements associated with horsepower, economy, and torque balance. This part number, MC1278, is listed for 1993-2003 Ford Ranger, 2000-2003 Mazda B3000, 1996-2001 Ford F-100 Ranger, and 1995-1997 Ford Aerostar applications with stock-style requirements.

Melling’s stock camshaft line is developed, tested, and manufactured to meet OE replacement expectations for light-, medium-, and heavy-duty use. If you are servicing a Ford Ranger or Mazda B3000 engine that calls for a hydraulic roller camshaft, MC1278 provides a factory-style solution with published lift and duration specifications for accurate matching.

What It Is Used For

  • Restoring proper valve timing after camshaft wear
  • Replacing a camshaft with stock-style lift and duration
  • Addressing rough idle caused by a worn cam profile
  • Correcting drivability issues tied to valve train timing
  • Returning engine operation to OE-style specifications

Installation Notes and Tips

Verify engine code, valve train configuration, and camshaft specifications before installation. Confirm hydraulic roller compatibility and compare the published lift and duration values against the original camshaft. Follow factory service procedures for timing component alignment and valve train setup during installation.

Quality Assurance

Melling manufactures this camshaft in the USA and builds its stock replacement line to OE replacement standards using quality materials and controlled engineering processes.

This part fits 24 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2003FordRanger3.0LV6OE Stock Replacement Grind; Stock
2003MazdaB30003.0LV6OE Stock Replacement Grind; Stock
2002FordRanger3.0LV6OE Stock Replacement Grind; Stock
2002MazdaB30003.0LV6OE Stock Replacement Grind; Stock
2001FordF-100 Ranger3.0LV6OE Stock Replacement Grind; Stock
2001FordRanger3.0LV6OE Stock Replacement Grind; Stock
2001MazdaB30003.0LV6OE Stock Replacement Grind; Stock
2000FordF-100 Ranger3.0LV6OE Stock Replacement Grind; Stock
2000FordRanger3.0LV6OE Stock Replacement Grind; Stock
2000MazdaB30003.0LV6OE Stock Replacement Grind; Stock
1999FordF-100 Ranger3.0LV6OE Stock Replacement Grind; Stock
1999FordRanger3.0LV6OE Stock Replacement Grind; Stock
1998FordF-100 Ranger3.0LV6OE Stock Replacement Grind; Stock
1998FordRanger3.0LV6OE Stock Replacement Grind; Stock
1997FordAerostar3.0LV6OE Stock Replacement Grind; Stock
1997FordF-100 Ranger3.0LV6OE Stock Replacement Grind; Stock
1997FordRanger3.0LV6OE Stock Replacement Grind; Stock
1996FordAerostar3.0LV6OE Stock Replacement Grind; Stock
1996FordF-100 Ranger3.0LV6OE Stock Replacement Grind; Stock
1996FordRanger3.0LV6OE Stock Replacement Grind; Stock
1995FordAerostar3.0LV6OE Stock Replacement Grind; Stock
1995FordRanger3.0LV6OE Stock Replacement Grind; Stock
1994FordRanger3.0LV6OE Stock Replacement Grind; Stock
1993FordRanger3.0LV6OE Stock Replacement Grind; Stock
Directly replaces or cross-references 6 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
CS-1531F47Z-6250-AF47Z-6250-BF57Z-6250-AZZM1-12-420AZZM4-12-420