2-Piece Rear Main Seal
Features
- Material: Cast Iron
- Bore: Semi-finished to allow final honing to piston/ring package; Race-prepped block is finish honed
- Cam Bearings: Standard Chevy
- Main Bearings: Standard Chevy
- Camshaft Location: Stock
- Lifter Bores: Indexed
- 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
- Stepped oiling dry sump systems can feed from front or rear
- Oil drainback 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
- Crank Clearance: 4.375 in. for 9.800 in. deck
- Main Caps: 4-bolt nodular iron or splayed billet steel
- Fuel Pump Mount: OE mount
- Starter: OE mount
- Motor Mounts: Front and side
- Cylinder Head Holes: Blind tapped to prevent leaks
- 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.