Page 300 - 2021-22_EngineCatalogAP

MAIN BEARING CAPS
Billet Speedworks Billet Main Bearing Caps
Billet main caps offer increased bottom end strength. Many of the billet caps listed are for converting a two-bolt main block to the more durable four-bolt main configuration.
PGEM3840C2
Register
Stock Step Stock Step Stock Step Stock Step
Part No.
Chrysler Big Block 383-440
PGEM3840C2 PGEM3840F PGEM3840R PGEM3840C4
CRANKSHAFTS
Description
Center Main Caps Front Main Caps
Rear Main Caps
Cross Bolt Center Main Caps
Caps Block
2-Bolt 2-Bolt 2-Bolt 2-Bolt 2-Bolt 2-Bolt 2-Bolt 2-Bolt
Chrysler Big Block 361-383-400 “B” Engine
Eagle Forged Steel Crankshafts
“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. Recommended for use up to 1500 HP.
Min. Rod Part No. Description Stroke Length
EAG440041506760 6-Bolt Flange 4.150" 6.760"
Chrysler Big Block
Rod Pin
2.375"
Main
2.625"
Rear Main Seal
2-Pc.
Balance
Int.
Target Bobweight Grams
2550
Approx. Wt./Lbs.
70
CHRYSLER BIG BLOCK 361-440, 426 HEMI
413-440 RB Engine & 426 Hemi
Eagle Forged Steel Crankshafts
“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. Recommended for use up to 1500 HP.
Part No.
EAG444037506760 EAG444237506760 EAG444041506760
EAG444242507100 EAG444243757100 EAG444245007100
Scat
Description
6-Bolt Flange
8-Bolt Flange
6-Bolt Flange
8-Bolt Flange w/Big Block Chevrolet Journal
8-Bolt Flange w/Big Block Chevrolet Journal
8-Bolt Flange w/Big Block Chevrolet Journal
Stroke
3.750" 3.750" 4.150"
4.250" 4.375" 4.500"
Rod Pin Main
2.375" 2.750" 2.375" 2.750" 2.375" 2.750"
2.200" 2.750" 2.200" 2.750" 2.200" 2.750"
Main Seal Balance
2-Pc. Int. 2-Pc. Int. 2-Pc. Int.
2-Pc. Int. 2-Pc. Int. 2-Pc. Int.
Bobweight Grams
2550 2550 2550
2500 2500 2500
Min. Rod Length
6.760" 6.760" 6.760"
7.100" 7.100" 7.100"
Rear Target
Approx. Wt./Lbs.
70-77 70-77 70-77
70-77 70-77 70-77
Pro Series features 4340 forged steel, heat-treated, nitride hardened, large fillet radii on all journals, lightening holes in the rod journals, straight shot and chamfered oil holes, precision ground and micro-polished.
Min. Rod Part No. Description Stroke Length
SCA4-440-4150-6760-2374 Pro Series, 8-Bolt Flange 4.150" 6.760"
Rod Pin
2.375"
Main
Rear Main Seal
Balance
Target Bobweight Grams
Approx. Wt./Lbs.
298 2021-22 ENGINE BUILDER CATALOG
2.750"
2-Pc.
Int.
2500
70-77