Costec new remaufactured Cosworth 200 YB Engine Block.

• Condition: New
• Brand: Costec
• Material: 250 grade flake graphite iron
• Application: 2WD or 4WD, wet or dry sump
• Ideal for: Highly boosted turbocharged engines
• Strength: Outstanding strength due to material and design
• Main Caps: Thicker cast iron main caps, located with machined ring dowels, secured with 12.9 high tensile hex bolts
• Bore Size: Finished honed to 90.80mm (can be supplied from 86-97mm)
• Crankshaft Compatibility: Up to 82mm stroke without modification; longer strokes require block relieving
• Crankcase: “Scalloping” for big end bolt clearance
• Deck Height: Finish machined to 207.5mm (up to 223mm available for stroker applications)
• Head Bolt/Stud Holes: 10 large 25mm diameter cast pillars for strength, negating the need for through studding; accommodates standard head bolts/studs
• Water Jacket: Design minimizes leakage risk
• Core Plugs: Machined in; aesthetically correct plugs can be fitted
• Lower Deck: Deep cast lower deck for added strength
• Engine Mounting Lugs: Increased diameter (+5mm)
• Main Bearing Bridges: Added material for strength
• Oil Pressure Switch Boss: Larger diameter (+10mm) for -10 fitment
• Water Jackets: Improved for consistent cooling
• Tested: Suitable for engines up to 800bhp
• Weight: 54.1kg (with main cap bolts and caps)
• Included: Block fitting kit (baffle, rivets, core/gallery plugs, threaded bungs)

This Costec YB block is a significantly upgraded and strengthened alternative to the original Ford Cosworth 200 iron block. Its design and material choices make it highly suitable for high-power, turbocharged applications. The included fitting kit makes it a complete solution.