World Engine Bare Block, Cast Iron, Merlin IV BB Chev Iron Block - Gen VI Compatible, 9.800" Deck, 4.245" Bore, Nodular Caps, Std. Cam, Std. Lifters.
Part No:WOR-091103
World Products BBC Cast Iron Merlin GEN VI Engine Block Chevy Big Block 454 Mains, 9.800″Deck, 4.245″ Bore, Nodular Caps Standard Cam, Standard Lifters 091103
World Products is offering a new Gen VI big block compatible design. This block uses a one-piece rear main seal, and has the Gen VI style oil pan rail and front cover bolt pattern. The block can utilize either the OE type roller lifters or +.300 tall tie bar lifters. It also features a Mark IV style fuel pump boss and oil filter pad. The water jacket and deck surface will accommodate eitherMark IV or Gen V-VI style cylinder heads, making this block extremely versatile.
TECHNICAL INFORMATION:
- Material: High Density Cast Iron
- Deck Height: Standard 9.800″
- Deck Thickness: .600″ minimum
- Gen VI style one piece rear main seal
- Gen VI style oil pan bolt pattern
- Gen VI timing cover bolt pattern
- Cam Bearings: Standard Chevrolet
- Main Bearings: Standard Chevrolet
- Camshaft Location: Stock
- Lifter Bores: Indexed (stock .8437″ bore)
- Bore: 4.240 (hone to 4.250″) or 4.490 (hone to 4.500″)
- Maximum Bore: 4.625″
- Cylinder Wall Thickness: .250″ at 4.600″ bore
- Water Jackets: Expanded for better cooling
- Lubrication: Priority main oiling system
- Filtration: Integral mount for spin-on filter
- Oil Pan Rails: Solid (stock width)
- Crank Clearance: 9.800-4.375″/10.200-4.750″ stroke
- Main Caps: 4-bolts splayed, nodular iron or billet steel
- Fuel Pump: Mark IV OEM mount
- Starter: OEM mount
- Motor Mounts: Dual (front and side)
- Cylinder Head Holes: Blind tapped to prevent leaks
- Weight: Approximately 270 lbs.
- Cam Bearings: Durabond GMP12
- Oil Restrictors: BMP 701804-2 installed in the front of block
- Inner Lifter Valley Extra Head Bolts BMP 701302
- Dowel and Plug Kit: BMP 703892S-K
World Products BBC Cast Iron Merlin GEN VI Engine Block Chevy Big Block 454 Mains, 9.800″Deck, 4.245″ Bore, Nodular Caps Standard Cam, Standard Lifters 091103
World Products is offering a new Gen VI big block compatible design. This block uses a one-piece rear main seal, and has the Gen VI style oil pan rail and front cover bolt pattern. The block can utilize either the OE type roller lifters or +.300 tall tie bar lifters. It also features a Mark IV style fuel pump boss and oil filter pad. The water jacket and deck surface will accommodate eitherMark IV or Gen V-VI style cylinder heads, making this block extremely versatile.
TECHNICAL INFORMATION:
- Material: High Density Cast Iron
- Deck Height: Standard 9.800″
- Deck Thickness: .600″ minimum
- Gen VI style one piece rear main seal
- Gen VI style oil pan bolt pattern
- Gen VI timing cover bolt pattern
- Cam Bearings: Standard Chevrolet
- Main Bearings: Standard Chevrolet
- Camshaft Location: Stock
- Lifter Bores: Indexed (stock .8437″ bore)
- Bore: 4.240 (hone to 4.250″) or 4.490 (hone to 4.500″)
- Maximum Bore: 4.625″
- Cylinder Wall Thickness: .250″ at 4.600″ bore
- Water Jackets: Expanded for better cooling
- Lubrication: Priority main oiling system
- Filtration: Integral mount for spin-on filter
- Oil Pan Rails: Solid (stock width)
- Crank Clearance: 9.800-4.375″/10.200-4.750″ stroke
- Main Caps: 4-bolts splayed, nodular iron or billet steel
- Fuel Pump: Mark IV OEM mount
- Starter: OEM mount
- Motor Mounts: Dual (front and side)
- Cylinder Head Holes: Blind tapped to prevent leaks
- Weight: Approximately 270 lbs.
- Cam Bearings: Durabond GMP12
- Oil Restrictors: BMP 701804-2 installed in the front of block
- Inner Lifter Valley Extra Head Bolts BMP 701302
- Dowel and Plug Kit: BMP 703892S-K
