Items You Need
4.120 in. Bore
Billet Mains
Small Block Chevy Oiling System Improvements
World Products 084125RC-904 Motown II Cast Iron Block Features:
- 0.134 in. raised cam bore that has been sized to accept a 50 mm roller cam bearing which will allow as much as a 4 in. stroke with 6 in. H-beam rods.
- Bushed and indexed lifter bores sized at 0.904 in. provide accurate pushrod alignment and valvetrain stability.
- 350 Chevy diameter (0.2441 in.) billet steel 4 bolt splayed main bearing caps are located by dowel pins and a deep step design to allow for 700 HP plus in naturally aspirated or boosted applications.
- Standard Chevy block deck height of 9.025 in. has been improved with a minimum of .600 in. thickness.
- Siamese design cylinder bores sized at 4.125 in. eliminate the need for steam holes and can be bored to 4.185 in.
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.