BluePrint Engines Small Block Ford Compatible 351 Bare Block 9.500 Deck x 4.125 Bore, SIAM, Steel Billet Main Caps

Overview:

If youre ready to take your Ford small block to the next level, this block is the rock-solid foundation your build deserves. Engineered to support stroker combinations up to 460 cubic inches, it delivers the strength, stability, and precision machining todays high-output Ford builds demand. Thick cylinder walls, reinforced casting, and smartly designed oiling pathways make it the ideal starting point for everything from a crisp street performer to a full-tilt track or autocross machine. Whether your vision is naturally aspirated punch or boosted aggression, this block gives your Ford project the durability and confidence to handle big power with classic Ford attitude.

*Block is a 351 Windsor Based Block with Cleveland Main Bearing Bore

Configuration:

• 351

Cylinder Bore (Rough):

• 4.120″ to 4.122″

Cylinder Bore (Max):

• 4.165″

Cam Bearings:

• Durabond 351HP

Cam Bearing Bore ID:

• 2.2046″+/- .0005″

Camshaft Position:

• OEM

Cam Drive / Timing Set:

• OEM equivalent

Cam Retaining Plate:

• OEM

Cubic Inch (Max):

• 460

Cylinder Wall Thickness:

• .160″ Nominal @ 4.165″ Bore

Water Jacket Style:

• Siamese

Cylinder Skirt Length:

• 5.800″ Nominal

Deck Height:

• 9.500″ +.005″ / -.000″

Deck Thickness:

• .600″ Nominal

Freeze / Core Plugs:

• 1-5/8″ x 10 BPE # 10110016

Head Bolt / Stud Threads:

• 1/2-13 UNC x 1.35 Deep

Lifter Bores:

• .8757″ +/- .0005″

Lifter Retainer (If not using tie bar lifters):

• OEM W/Roller Provisions

Main Bearing Bore (Line Honed):

• 2.9417″-2.9425″ (Cleveland)

Main Bearing Caps:

• Billet Steel 4-Bolt Splayed

Main Cap Bolts:

• 1/2-13 Inner / 3/8-16 Splayed

Main Fastener Tensile Strength:

• 180,000 to 210,000 PSI

P1 Main Stud Kit P/N:

• TBD

ARP Main Stud Kit P/N:

• TBD

Material (Block):

• EN-GJL-250 Iron

Oil System:

• Priority Main

Oil Pump:

• OEM

Oil Filter:

• OEM

Oil Pan:

• OEM

Fuel Pump:

• OEM

Starter:

• OEM

Stroke (Max):

• 4.250″

Timing Cover:

• OEM

Approx. Weight with Main Caps:

• 200-220lbs

WARNING: Cancer and Reproductive Harm-
www.P65Warnings.ca.gov