Street and Strip Rotating Assembly
Pontiac 400
Additional Information
- Pontiac 400 Block has a standard bore of 4.120 in.
- Intended for Internal Balance Engines (Assembly is Unbalanced)
- Mahle 4032 Forged Pistons
- 5140 Forged Steel "SIR" I-Bean Connecting Rods w/ 7/16 in. APR 8740 Rod Bolts
- File-Fit Piston Rings
- Performance Street Bearings
- Note: The 1967 Pontiac 400 block has reliefs at the top of the cylinders. All Eagle Pontiac 400 kits are not compatible due to these reliefs.
Compression Ratios
Calculated with uncut block and .040 in. head gasket thickness
- 75 cc Chambers - 9.6
- 85 cc Chambers - 8.9
- 111 cc Chambers - 7.5
Crankshaft Specs
- Rod Journal: 2.200 in.
- Rod Journal Width: 2.000 in.
- Main Journal: 3.000 in.
- Snout Diameter: 1.374 in.
- Pilot Bore Diameter: 1.383 in.
- Flywheel Opening: 2.750 in.
- Typical Weight: 68 lbs.
Connecting Rod Dimensions
- Length: 6.800 in.
- Pin Fit: Bushed
- Rod Journal: 2.2000 in.
- Housing Bore: 2.3250 in.
- Pin Size: 0.990 in.
- Big End Width: 0.9900 in.
- Pin End Width: 1.1250 in.
- Thickness Above Pin: 0.210 in.
- Typical Weight: 870 g
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.