CRANKSHAFTS
Ford Small Block 289-302-Boss 302 (Cont.) Forged Steel Crankshafts - Cont. K1 Technologies 4340 Forged Features: Premium 4340 steel, core nitride hardened, stress-relieved, gun-drilled rod and mains, properly placed counter- weights, large fillet radii for use with narrowed bearings, straight hole rod oiling, magnafluxed and micro-polished.
Min. Rod Length
Rod Pin
Rear Main Seal Balance
Target Bobweight Grams
Approx. Weight Lbs.
Part No.
Description
Stroke 3.400"
Main
K1T011DAI340
Standard Weight
5.400" 2.100" 2.250"
1-Pc.
Int.
1750
47
Scat Standard 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. Lightweight - Same as standard, reduced rotating weight weight design with aero-wing counterweights.
Min. Rod Length
Rod Pin
Rear Main Seal Balance
Target Bobweight Grams
Approx. Weight Lbs.
Part No.
Description Stroke
Main
SCA4-302-3000-5090-2123 28 Oz. Balance 3.000" SCA4-302-3000-5090-2123 28 Oz. Balance 3.250" SCA4-302-3400-5400-2123 28 Oz. Balance 3.400"
5.090" 2.123" 2.249" 5.400" 2.123" 2.249" 5.400" 2.123" 2.249" 5.400" 2.123" 2.249" 5.400" 2.123" 2.249"
1-Pc. 1-Pc. 1-Pc. 1-Pc. 1-Pc.
Ext. Ext. Ext. Int. Ext.
SCA4-302-3400-54-2123-I
Internal Balance 3.400"
SCA4-302-3400-54-2123-2 28 Oz. Balance 3.400"
Ford Small Block 351W 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 Length
Rod Pin
Rear Main Seal Balance
Target Bobweight Grams
Approx. Weight Lbs.
Part No.
Description
Stroke 3.850" 4.000"
Main
EAG103513850 EAG103514000
28 Oz. Balance 28 Oz. Balance
5.956" 2.310" 3.000" 6.200" 2.100" 3.000"
1-Pc. 1-Pc.
Ext. Ext.
1900 1920
53-57
57
Scat Series Pro Stock Features: 9000 cast steel, precision-ground, micro-polished, factory balanced, 5.700" or longer rod, WISSOTA Approved. Pro Comp Features: 9000 cast steel, precision ground, knife-edged counterweights, factory balanced, straight shot oil holes, micro-polished, IMCA and Racersaver approved.
Min. Rod Length
Rod Pin
Rear Main Seal Balance
Target Bobweight Grams
Approx. Weight Lbs.
Part No.
Description Stroke
Main
Pro Stock, 28 Oz. Balance Pro Comp, 28 Oz. Balance Pro Comp, 28 Oz. Balance
SCA9-351-3500-5955-2311
3.500"
5.955" 2.311" 3.000"
1-Pc.
Ext.
SCA9-351-385-5955-2311W
3.850"
5.955" 2.311" 3.000"
1-Pc.
Ext.
60
SCA9-351-400-6000-2100W
4.000"
6.000" 2.100" 3.000"
1-Pc.
Ext.
52
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. 3.00" = 351W mains, 2.750" = 351C mains. Recommended for use up to 1500 HP.
Min. Rod Length
Rod Pin
Rear Main Seal Balance
Target Bobweight Grams
Approx. Weight Lbs.
Part No.
Description
Stroke 3.500" 4.000" 4.000" 4.170" 4.170" 4.250"
Main
EAG435235006200 EAG435140006200 EAG435240006200 EAG435141706200 EAG435241706200 EAG435142506250
Standard Weight Standard Weight Standard Weight Standard Weight Standard Weight Standard Weight
6.200" 2.100" 2.750" 6.200" 2.100" 3.000" 6.200" 2.100" 2.750" 6.200" 2.100" 3.000" 6.200" 2.100" 2.750" 6.250" 2.100" 3.000"
1-Pc. 1-Pc. 1-Pc. 1-Pc. 1-Pc. 1-Pc.
Int. Int. Int. Int. Int. Int.
1900 1900 1900 1900 1900 1900
55-60 55-60 55-60
59 58
55-60
2018 ENGINE BUILDER CATALOG
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