Engine & Performance Warehouse B303 Hydraulic Roller Camshaft for Ford Small Block 5.0L 302

The B303 hydraulic roller camshaft is a legendary performance upgrade designed specifically for Ford small block engines. This camshaft delivers noticeable power improvements with excellent low-end torque and a significant increase in top-end power above 4,000 RPM, while maintaining good driveability characteristics for street use.

Key Specifications:

• Advertised Duration: 284° intake / 284° exhaust
• Duration at 0.050" Lift: 224° intake / 224° exhaust
• Valve Lift: 0.480" intake / 0.480" exhaust (with 1.60 rockers)
• Lobe Separation: 112°
• Operating RPM Range: 3,000-6,000 RPM
• Hydraulic roller tappet design

Performance Features:

• Produces the classic "lumpy" or "lopey" aggressive exhaust note
• Excellent street/strip performance with bolt-on modifications
• Works well with manual transmissions and carburetors or mass air fuel injection
• Maintains reliable daily drivability

Important Installation Notes:

• Requires upgraded valve springs (minimum 120 lbs seat pressure, 295 lbs open)
• For EFI engines, only compatible with mass air induction systems - will not work with speed density or Explorer EEC-V EFI
• Hi-stall torque converter recommended for automatic transmissions
• Piston-to-valve clearance must be checked - may require piston modification
• Pushrod length verification required

Applications:

• Fits 1985 and later Ford 302/5.0L roller cam blocks
• Compatible with 1994-1997 351W with factory roller cam when used with mass air EFI
• Will fit 1963-1984 non-roller 289-302 blocks when used with aftermarket hydraulic roller lifters

This camshaft is an excellent choice for enthusiasts looking to add performance and aggressive sound to their Ford small block engine while maintaining street-friendly characteristics. Computer tuning or a modified chip may be required for optimal performance with EFI applications.