2-Piece Rear Main Seal
Features
- Material: Cast Iron
- Bore: Semi-finished to allow final honing to piston/ring package
- Deck Height: 10.200 in.
- Main Bearings: Standard Chevy
- Camshaft Location: Stock
- Lifter Bores: 0.904 in.
- Maximum Recommended Bore: 4.625 in.
- Cylinder Wall Thickness: .310 in. @ 4.600 in. 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 (can be clearanced for Strokers)
- Oil System Features
- Priority main oiling
- Stepped oiling .584-.500-.437 in.
- Integral spin-on oil filter mount
- Oil drain back in valley lubricates distributor gear
- Drilled for dry sump valley scavenge lines
- Extra head bolt bosses in the valley to accommodate special racing heads
- Blind holes drilled into the valley for screen
- Main Caps: 4-bolt splayed nodular iron
- Rear Main: Mark IV I 2-piece seal
- Fuel Pump Mount: OE mount
- Starter: OE mount
- Motor Mounts: Front and side
- Cylinder Head Holes: Blind tapped to prevent leaks
- Compatible with Mark IV Components
- Weight: Approximately 270 lbs
- Made In The USA
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.