CRANKSHAFTS
Forged Steel Crankshafts - Cont. Scat
Standard features include 4340 forged steel, heat-treated, nitride-hardened, large fillet radii on all journals, lightened holes on rod journals, straight shot & chamfered oil holes, precision ground and micro-polished. Lightweight features are the same as standard, with a reduced rotating weight design and aero-wing counterweights.
Min. Rod Length
Rod Pin
Rear Main Seal
Target Bobweight Grams
Approx. Weight Lbs.
Part No.
Description
Stroke
Main
Balance
Ford Small Block 289-302-Boss 302 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"
1-Pc. 1-Pc. 1-Pc.
Ext. Ext. Ext.
1750 1750 1750
48 48 48
Eagle “ESP” features SAE 4340 steel non-twist forging, multi-stage heat-treated, stress-relieved, .125" radii for use with narrowed 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
Target Bobweight Grams
Approx. Weight Lbs.
Part No.
Description
Stroke
Main
Balance
Ford Small Block 351W EAG435235006200
Standard Weight Standard Weight Standard Weight Standard Weight Standard Weight
3.500" 4.000" 4.000" 4.170" 4.170"
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"
1-Pc. 1-Pc. 1-Pc. 1-Pc. 1-Pc.
Int. Int. Int. Int. Int.
1900 1900 1900 1900 1900
55-60 55-60 55-60
EAG435140006200 EAG435240006200 EAG435141706200 EAG435241706200
59 58
K1 Technologies 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. 3.00" = 351W mains, 2.750" = 351C mains.
Min. Rod Length
Rod Pin
Rear Main Seal
Target Bobweight Grams
Approx. Weight Lbs.
Part No.
Description
Stroke
Main
Balance
Ford Small Block 351W K1T011EAD400
Standard Weight
4.000"
6.200" 2.100" 2.750"
1-Pc.
Int.
1850
61
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. 3.00”= 351W mains.
Min. Rod Length
Rod Pin
Rear Main Seal Balance
Target Bobweight Grams
Approx. Weight Lbs.
Part No.
Description
Stroke
Main
Ford Small Block 351W SCA4-351C-3850-6000
28-oz. Balance
3.850" 6.000" 2.100" 2.750" 1-Pc.
Ext.
1850 1850
58 58
SCA4-351C-4000-6200 28-oz. Balance or Internal Balance 4.000" 6.200" 2.100" 2.750" 1-Pc.
Int. /Ext.
CONNECTING RODS
“I” Beam Performance Steel Connecting Rods Connecting rods are all sold in weight-matched sets of eight with fasteners installed. Ford Small Block 221-302 Description Material Bushed
Press Fit
5.090" Rods
Eagle SIR
5140 4340
EAGSIR5090FB SCA2-ICR5090
EAGSIR5090FP SCA2-ICR5090P
Scat Pro Stock
5.400" Rods
Eagle SIR
5140 Forged
EAGSIR5400FB B OLVF5400FDLT8 SCA2-ICR5400-912 C SCA2-ICR5400-927 D
— — — —
Oliver Standard Light Series
E4340 Chrome Moly
Scat Pro Stock Scat Pro Stock
4340 Forged 4340 Forged 4340 Forged
Scat Pro SCA2-ICR5400-7/16 A, D A Features 7/16" cap screws rather than through-bolts. B Fits Chevy 2.100" crank pin. C for .912" Ford piston pin. D for Chevy .927" piston pin.
340 2021-22 ENGINE BUILDER CATALOG
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