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EAGLE CAST NODULAR STEEL 489, 496, 505, 540 STROKER BBC BIG BLOCK CHEVY CRANKSHAFT FOR 2pc REAR MAIN SEAL 4.250 STROKE BBC CHEVY ENGINES USING 6.385 RODS ONLY
File photo. Appearance may vary.
We also offer this crank in a Scat brand. The Scat crank will work with 6.135 or 6.385 rods. The Eagle will only work with engines using a 6.385 rod length.
A complete set of King rod and main bearings is included with this crankshaft.
This is a first line product from Eagle engine products.
Beware of sellers offering no name, (off brand) cranks. We have seen an array of problems with these crankshafts.
This crankshaft is to be used with a weighted (external) flexplate and damper.
This crankshaft must be balanced with your pistons and rods before use.
If you do not need the engine bearings and wish to order just the crank, please email us and we will gladly create a listing for you at a discounted price for the crank only.
Horsepower rating for this crank is approx. 700
Listed below is an upgrade we consider very beneficial and requested by many.
Crank polishing: Extends bearing life, reduces oil temp, frees up a slight amount of average horsepower. This is a very low cost upgrade, and in the world of mass production, most cranks do not come with a true polished finish. This is why most machine shops have a machine to do this. The difference is dramatic between a crank right out of the box and one that we have polished. Bearing companies claim that cranks that have better finishes on the journals will survive the break-in better, and have much longer bearing life. We do a three step process and bring the RA numbers down in the single digit range. We have the most advanced crank polishing machine on the market. We find this to be an excellent upgrade for your engine build, considering the low cost. We polish the crank for every engine we build.
Cost for this crank polishing upgrade is $38.50 We have this upgrade featured in our other listings. You can see this and other upgrade options in our ebay store under the "UPGRADES" category, or simply do a search with the key word, "Upgrade" in the search bar when shopping in our ebay store. Before you finalize your purchase of this assembly you may add any of these upgrades to your shopping cart. Click here to add upgrades.
The appearance of the journals show a dramatic difference once polished.
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