4.495 in. Bore
Features
- Material: High-Density Cast Iron
- Deck Height: 9.800 in.
- Deck Thickness: .600 in. minimum
- Cam Bearings: 2.120 in. journal bore
- Main Bearings: Standard
- Camshaft Location: Stock
- Lifter Bores: Indexed (stock .8437 in. bore) requires +.300 tall lifters
- Bore: 4.245 in.
- Maximum Bore: 4.625 in.
- Cylinder Wall Thickness: .250 in. at 4.600 in. bore
- Water Jackets: Expanded to provide better cooling
- Lubrication: Priority main oiling system
- Filtration: Integral mount for spin-on filter
- Crank Clearance: 9.800 in. 4.375 in. stroke
- Main Caps: Nodular iron 4-bolts splayed, stepped registers w/ ring dowels
- Mark IV style fuel pump mount
- Gen VI rear main seal, oil pan bolt pattern, timing cover bolt pattern
- Starter: OEM mount
- Motor Mounts: Dual (front and side)
- Cylinder Head Holes: Blind tapped to prevent leaks
- Weight: 270 lbs.
- Accepts Mark IV, Gen V, or Gen VI cylinder heads
Specifications:
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.