Ford Performance M-6250-X303 Small Block V-8 Hydraulic Roller Tappet Camshafts for 1985-1995 Ford Mustang GT

Name: Ford Performance M-6250-X303 Small Block V-8 Hydraulic Roller Tappet Camshafts for 1985-1995 Ford Mustang GT
SKU: M-6250-X303
Availability: BackOrder

Fits Vehicle:

1985-1995 Ford Mustang GT

SKU: M-6250-X303

The legendary X303 cam developed by Ford Performance for the 5.0L Fox-body Mustang. This cam provides a noticeable power improvement and lumpy idle while maintaining good driveability with a manual transmission. Works well with carburetors or mass air fuel injection.

Fits 1985 and later 302 roller cam blocks
Will also fit 1963-1984 non-roller cam 289-302 blocks when used with hydraulic roller lifters
Will also fit 1994-1997 351W blocks with factory roller cam
Will also fit 1969-1993 non-roller cam 351W blocks when used with hydraulic roller lifters
Requires upgraded valve springs
Valve spring requirements: 120 lbs valve seat pressure minimum 295 lbs open
On EFI engines, performance camshafts work only with mass air induction systems. Will not work with Explorer EEC-V EFI or speed density EFI systems
Also fits 1994-97 351W with factory roller cam when used with mass air EFI
Stock 5.0L HO cam advertised specs are 266°/266° duration, 0.444″/0.444″ lift
Higher stall torque converter recommended for automatic transmission

PART NUMBER	ENGINE	ROCKER RATIO	INTAKE EVENTS (0.050″)	EXHAUST EVENTS (0.050″)	DURATION (SAE)	LIFT (INCHES)	LOBE CENTER
OPEN	CLOSE	OPEN	CLOSE	INT.	EXH.	LOBE	VALVE	INT.	EXH.
M-6250-B303* ⁽¹⁾⁽²⁾⁽³⁾⁽⁶⁾	1985 and Later 302 Roller Cam	1.60	5° BTC	39° ABC	49° BBC	5° BTC	284°	284°	.300 I	.480 I	107°	117°
M-6250-B303* ⁽¹⁾⁽²⁾⁽³⁾⁽⁶⁾	1985 and Later 302 Roller Cam	1.60	5° BTC	39° ABC	49° BBC	5° BTC	224°	224	.300E	.480 E	107°	117°
M-6250-E303 ⁽¹⁾⁽²⁾⁽³⁾⁽⁶⁾	1985 and Later 302 Roller Cam	1.60	0° BTC	40° ABC	40° BBC	0° BTC	282°	282°	.311 I	.498 I	110°	110°
M-6250-E303 ⁽¹⁾⁽²⁾⁽³⁾⁽⁶⁾	1985 and Later 302 Roller Cam	1.60	0° BTC	40° ABC	40° BBC	0° BTC	220°	220°	.311E	.498 E	110°	110°
M-6250-F303* ⁽¹⁾⁽²⁾⁽³⁾⁽⁴⁾ ⁽⁶⁾⁽⁷⁾	1985 and Later 302 Roller Cam	1.60	4° BTC	42° ABC	52° BBC	6° BTC	288°	288°	.320 I	.512 I	109°	119°
M-6250-F303* ⁽¹⁾⁽²⁾⁽³⁾⁽⁴⁾ ⁽⁶⁾⁽⁷⁾	1985 and Later 302 Roller Cam	1.60	4° BTC	42° ABC	52° BBC	6° BTC	226°	226°	.320E	.512 E	109°	119°
M-6250-X303* ⁽¹⁾⁽²⁾⁽³⁾⁽⁴⁾ ⁽⁶⁾⁽⁸⁾	1985 and Later 302 Roller Cam	1.60	5° BTC	39° ABC	49° BBC	5° BTC	286°	286°	.339 I	.542 I	107°	117°
M-6250-X303* ⁽¹⁾⁽²⁾⁽³⁾⁽⁴⁾ ⁽⁶⁾⁽⁸⁾	1985 and Later 302 Roller Cam	1.60	5° BTC	39° ABC	49° BBC	5° BTC	224°	224°	.339E	.542 E	107°	117°