SPECS ON THIS ENGINE ARE AS FOLLOWS

1986 AND UP 2 BOLT MAIN 1 PIECE CRANKSHAFT SEAL BLOCK

NODULAR IRON CRANKSHAFT

POWDERED METAL CONNECTING RODS

FLAT TOP HYPEREUTECTIC PISTONS

9.6:1 COMPRESSION RATIO

OIL PUMP

SINGLE ROLLER TIMING CHAIN

CAMSHAFT SPECS AS FOLLOWS:

HYDRAULIC ROLLER CAMSHAFT

INTAKE LIFT-.359" * EXHAUST LIFT.384" *

INTAKE DURATION @.050-186.5 * EXHAUST DURATION @.050-193.8

LOBE CENTER SEPARATION -110.3

CAMSHAFT MECHANICAL SPECS:

INTAKE VALVE OPENS @ -16.9 BTDC * INTAKE VALVE CLOSES @ 23.4ATDC * INTAKE LOBE CENTERLINE - 110.3

EXHAUST VALVE OPENS @ 25.6BBDC * EXHAUST VALVE CLOSES @ -11.9 ATDC * EXHAUST LOBE CENTERLINE - 110.3

CYLINDER HEAD SPECS:

CASTING NUMBER 14102193

SWIRL PORT INTAKE PORT DESIGN

65.3cc COMBUSTION CHAMBER

1.94" INTAKE 1.50" EXHAUST VALVE

VALVE SPRING PART NUMBER IS 3911068 (SAME SPRING USED WITH THE OLD 300H.P 350 CRATE)

INSTALLED HEIGHT 1.70" PRESSURE @ INSTALLED HEIGHT IS 80 LBS * PRESSURE WITH VALVE OPEN IS 267 LBS.

CENTER BOLT VALVE COVER FLANGE

1987-1995 INTAKE MANIFOLD BOLT PATTERN WITH CENTER INTAKE BOLTS CANTED @ 72 ANGLE

THIS CYLINDER HEAD IS NOT A PERFORMANCE ORIENTED CYLINDER HEAD. IT IS CLASSIFIED AS A HIGH SWIRL HEAD THAT WAS INTENDED FOR GOOD BOTTOM END TORQUE AND FUEL ECONOMY. THE INTAKE RUNNER IS RESTRICTIVE BECAUSE IT HAS A RAMP CAST INTO THE BOTTOM OF THE BOWL TO PROMOTE HIGH SWIRL.

ALSO INCLUDED:

ENGINE INCLUDES 4 QUART OIL PAN (5W/ FILTER)

TIMING COVER

6" BALANCER

CENTER BOLT VALVE COVERS