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For Sale: NEW! BBC Cast Iron Block Siamese 4.500 Bore 2 pi



536 Wyoming Ave, NILES, OH View Map


BluePrint Engines BPT4500200S Big Block Chevy Cast Iron Bare Block 4.500 Siamese Bore 2 piece RMS.
The Blueprint Engines Big Block Chevy Cast Iron Blocks are loaded with engineering and design features including ductile iron 4-bolt splayed main caps, main priority oiling, a mechanical fuel pump boss, clutch linkage boss and Gen IV or Gen V/VI compatibility. They are a perfect foundation for building horsepower for street, bracket racing and marine use! Made in the USA!
Type: Big Block Chevy
Material: Cast Iron
Cylinder Wall : Siamese
Cylinder Wall Thickness: .300"
Bore: 4.500" unfinished
Max Recommended Bore and Stroke: 4.625"
Deck Height: 10.200"
Cam bearing bore ID: 2.120" STD
Cam bearings: Not included, recommend Clevite SH617S
Camshaft Position: Standard
Cam Drive: Timing Chain, Gear Drive and Belt Drive
Cam Plug: Standard BBC, 2.215" diameter
Distributor Tap Hole Valley: Yes
Freeze Plugs: Not included; Standard 1 5/8"
Head Bolt Pattern: Standard BBC
Inside Head Stud Bosses: Yes
Lifter Bores: Gen V, VI: Will accept link bar
Main Bearing Size: Standard BBC
Main Bearing Bore: 2.9370 - 2.9380
Main Caps: Ductile Iron, 4 bolt splayed
Oil System: Main Priority Oiling, Wet or Dry Sump
Oil Cooler Holes: Integral to block
Rear Main Seal: 2 piece
Hydraulic Roller Provisions: Will accept Gen V and VI & most link bar
Stud and Bolt Holes: Blind tapped
Tapped Holes: Standard Thread and Pitch
Timing Chain / Gears: Std. BBC Gen IV, V, VI
Timing Cover: Will accept Mark IV, 10 bolt timing cover
Torque Specs: All 1/2" bolts 105 pounds
Fuel Pump Boss: Yes
Fuel Pump Pushrod: Standard BBC
Oil Filter: Standard location
Oil Pan: 2 piece RMS standard BBC bolt pattern
Starter: Standard location
Clutch Linkage Boss: Yes


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Ad #182759667
Expires on: 01/11/2017
Posted: 10/19/2016, ad expires in 79 days
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Ad posted by:
cfitch (#862528)

Ohio Speed Shops
536 Wyoming Ave
NILES, OH 44446
(330) 349-4930

Member Since: 07/19/2016
Phone Number: 330-349-4930

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106 Main Street, North Adams, MA 01247
Toll Free: 866.326.9227 • Tel: 413.663.3496 • Fax: 413.663.3615 • Email:

Execution Stats: 0.126 sec / 8.1 MB used / 8.2 MB peak