Eagle 104004250 Pontiac 400 cast steel crankshaft. Recommended in applications up to 700 horsepower. Features a 4.250 stroke. Internally balanced. Approximate weight is 68 pounds. Bobweight is 2280. Rod journal size is 2.200". Rod journal width is 2.000". Main journal size is 3.000". Minimum rod length is 6.700". Two piece rear seal design. Standard oiling design. Has 6 flywheel bolt holes. Flywheel opening is 2.750". Pilot bore diameter: 1.383". Eagle ESP cast steel Pontiac crankshafts offer an excellent alternative to reworking a factory cast crankshaft. They are manufactured with a 0.092" radius on all journals, rear seal and snout for added strength while still using OE style bearings. Each crankshaft is inspected for dimension, size and stroke accuracy, Target bobweight is +/- 2%. TECH NOTE: Must use Eagle CRS68003D or Eagle CRS67003D connecting rods. TECH NOTE: Recommend MS483G main bearings and CB 743P rod bearings. TECH NOTE: Stock 400 bore is 4.120. Stock 400 stroke is 3.750. Eagle 104004250 Pontiac 400 cast steel crankshaft 4.250 stroke 104004250 Pontiac 400 main bearings and rod bearings for the crankshaft shown above. Clevite MS483G-standard. Clevite CB743P-standard. MS483G-CB743P We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.