Page 25 - 2018 Racecar Engineering Engine Parts and Accessories Catalog

CRANKSHAFTS

Ford Modular V8 4.6L/5.4L (2V, 3V, 4V Heads) (Cont.)
4340 Forged Steel Crankshafts
Eagle
“ESP” Features: SAE 4340 steel non-twist forging, multi-stage heat-treated, stress-relieved, .125" radii for use with nar-
rowed bearings, chamfered oil holes, cross-drilled oiling, shot-peened, nitride hardened, X-rayed, magnafluxed, and sonic
tested. Recommended for use up to 1500 HP.
Min. Rod Rod Rear Target Approx.
Part No. Description Stroke Length Pin Main Main Seal Balance Bobweight Grams Weight Lbs.
EAG428135545933 8-Bolt Flange 3.554" 5.933" 2.086" 2.657" 1-Pc. Int. 1600 50
EAG428137505950* 8-Bolt Flange 3.750" 5.933" 1.889" 2.657" 1-Pc. Int. 1600 50
Note: * This crankshaft features Honda rod journals, center counterweights which may require block clearancing.
Oldsmobile 455
Cast Steel Crankshaft

Eagle
“ESP” Features: .092" radius on rod and main journals, rear seal and snout, compatibility with standard OEM style bearings.
Min. Rod Rod Rear Target Approx.
Part No. Description Stroke Length Pin Main Main Seal Balance Bobweight Grams Weight Lbs.
EAG104554260 Standard Weight 4.250" 6.735" 2.499" 3.000" 2-Pc. Ext. 2425 78-80
Standard Weight, With Big
EAG104554500 4.250" 7.100" 2.200" 3.000" 2-Pc. Ext. 2350 75
Block Chevy Journal
Pontiac 400-455

Cast Steel Crankshaft
Eagle “ESP” Cast Steel Crankshaft
Features: .092" radius on rod and main journals, rear seal and snout, compatibility with standard OEM style bearings.
3.00" = 400 Mains, 3.250" = 455 Mains..
Min. Rod Rod Rear Target Approx.
Part No. Description Stroke Length Pin Main Main Seal Balance Bobweight Grams Weight Lbs.
EAG104554210 Standard Weight 4.210" 6.625" 2.375" 3.250" 2-Pc. Int. 2280 73-76
Standard Weight, With
EAG104004250 4.250" 6.700" 2.200" 3.000" 2-Pc. Int. 2280 73-76
Big Block Chevy Journal
Standard Weight, With
EAG104554250 4.250" 6.800" 2.200" 3.250" 2-Pc. Int. 2280 73-76
Big Block Chevy Journal
Cast Steel Crankshaft
Eagle
“ESP” Features: SAE 4340 steel non-twist forging, multi-stage heat-treated, stress-relieved, .125" radii for use with nar-
rowed bearings, chamfered oil holes, cross-drilled oiling, shot-peened, nitride hardened, X-rayed, magnafluxed, and sonic
tested. Recommended for use up to 1500 HP. 3.00" = 400 Mains, 3.250" = 455 Mains.
Min. Rod Rod Rear Target Approx.
Part No. Description Stroke Length Pin Main Main Seal Balance Bobweight Grams Weight Lbs.
EAG440042106625 Standard Weight 4.210" 6.625" 2.249" 3.000" 2-Pc. Int. 2280 76
Standard Weight, With
EAG440042506700 4.250" 6.700" 2.200" 3.250" 2-Pc. Int. 2280 76
Big Block Chevy Journal
Scat
Pro Series Features: 4340 forged steel, heat-treated, nitride hardened, large fillet radii on all journals, lightened holes rod
journals, straight shot & chamfered oil holes, precision ground and micro-polished. 3.250" = 455 Mains
Min. Rod Rod Rear Target Approx.
Part No. Description Stroke Length Pin Main Main Seal Balance Bobweight Grams Weight Lbs.
Standard Weight,
SCA4-400P-4250-6700-2200 With Big Block 4.250" 6.700" 2.200" 3.250" 2-Pc. Int. 2280 76
Chevrolet Journal

24 2018 ENGINE BUILDER CATALOG