ARROW FORD 351 CLEVELAND SMALL BLOCK 

ALL STANDARD CLEVELAND COMPONENTS WILL FIT ONTO AND INTO AN ARROW BLOCK!!
Sump, Timing cover, Fuel pump, Cylinder heads, engine mounts and Water pump are direct fit to an ARROW block

HEAD STUDS / BOLTS 
Head stud holes are blind. They do not go into the water jacket.

CAMSHAFT BEARINGS 
ARROW blocks are designed to accept standard replacement camshaft bearing.

OIL SYSTEM  
The lifter gallery is fed from the rear of the block giving it TRUE PRIORITY MAIN OILING.

LIFTERS  
When using flat tappet lifters, either hydraulic or solid, use a Cleveland style lifter
When using roller followers, either hydraulic or mechanical, you must use WINDSOR style lifters!!

OIL GALLERIES
 All front and rear oil galleries are tapped ¼” NPT. They are a straight thread, not a tapered thread. When using a ¼” NPT tapered pipe plug, the diameter of the plug will determine how deep the plug goes into the hole. Sizes from various plug manufacturers will vary a great amount!

REAR MAIN SEAL
The rear main seal position has been modified to accept a one piece full circle seal. The seal is a Fel Pro product , part No # FP2921.
 DISTRIBUTOR LOCATION  
The distributor locating bore has been made to fit the “early” type distributor ( .517”). Please check fitment of your distributor before any cleaning or machining is done.

SPECIAL NOTE 
With a vast range of crankshaft, piston and rod combinations available today it is very important to check the clearance of all moving parts – especially crankshaft counterweights and connecting rod to block clearance. All parts must be checked before any type of machining or assembly is attempted.