Thread: Eagle crank and rods in a 4.25-4.375 stroked BBC, good or bad.

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Overseas forging from where???? If it's Chinese, then they're on my "no buy" list, too!!!!

this is the one's that we've used in a number of small blocks, Lunati's or Crower's in Big blocks.....


Detailed Description

Howards Pro Max 4340 Crankshaft
100% American Made! Starting with the finest high purity 4340 aircraft quality alloy. Many manufacturers state they use 4340, but very few use the same quality. There is a difference! Forged by the experts in American crankshaft forgings, Louisville forge in Kentucky (again, only a few can state this). These forgings have high quantities of nickel and chromium, which insures strength and long service life. These forgings are shipped to the leader in high performance crankshaft machining, Callies Performance Products. They are machined to the highest specifications, with roundness within 60 millionths and taper being held to within .0003" on all rod and main diameters. All journals have .125" Tru-Form fillet radii. 1" Angalite lightening holes in all rod throws. Callies "Deep Case" hardening produces a wear layer that remains intact even if reground .010" under (other cranks have a hardness depth as little as .003"). Journals are micro-finished to 5 microns or better. The best forgings, the best machining, and the best hardening. Which crank will you run? Requires chamfered bearings.

If you want to run Chinese cranks, then by all means do so!!!!! As a matter of principle and quality, I won't!!!!!!

with the 4.3/8 crank in the 9.800 block if you use pro file sniper 375X heads the wiseco dome fits in the chamber and were the spark plug is with the JE pistons the dome to head chamber is not a good fit .piston CH of 1.12 if you go 6.480 rod and with a 4.375 crank. but in the 1.215 /1.220 CH wiseco and mahle are one of the few that build this CH piston in a shelf pistons using a 6.385 rod . if you have the room for a 10.200 the 598 will not cost any more and a rod of 6.700 or 6.800 is a shelf pistons