MAIN BEARING CAPS
Main Cap Support Straps Add support to existing main caps. CNC-machined and heat-treated straps are engineered to clear crank throws and oil pan. Part No. Description Billet Speedworks PGESBFS 350 & 400 Front Main Cap Support Strap PGESB350RSWS 350 Rear Main Cap Support Strap, Wet Sump PGESB400RSWS 400 Rear Main Cap Support Strap, Wet Sump
PRW Billet Steel Main Bearing Caps Part No. Description Caps Block
Register
PRW
PQX1735001 PQX1735002 PQX1735003 PQX1740002
305/350 1967-86 Large Journal Straight Bolt Repl.
4-Bolt 4-Bolt 4-Bolt 4-Bolt
4-Bolt 4-Bolt 2-Bolt 4-Bolt
Stock Step Stock Step Stock Step Stock Step
350 Splayed Outer Center Caps
350 2-Bolt to 4-Bolt Block Conv. Straight Bolt
400 Splayed Center Caps
CRANKSHAFTS
Cast Steel Crankshafts Eagle “ESP” features a .092” radius on rod and main journals, rear seal and snout, and compatibility with standard OEM-style bearings.
Min. Rod Length Rod Pin
Rear Main Seal
Target Bobweight Grams
Approx. Wt. /Lbs.
Part No.
Description
Stroke
Main
Balance
EAG103503480
Standard Replacement
3.480" 3.480" 3.480" 3.480" 3.750" 3.750" 3.750" 3.750" 3.750" 3.750" 3.750"
5.700" 2.100" 350 5.700" 2.100" 350 5.700" 2.100" 350 5.700" 2.100" 350 5.700" 2.100" 350 5.700" 2.100" 350 5.700" 2.100" 350 5.700" 2.100" 350 5.700" 2.100" 350 5.700" 2.100" 400 5.700" 2.100" 400
2-pc 2-pc 2-pc 1-Pc. 2-Pc. 1-Pc. 1-Pc. 2-Pc. 1-Pc. 2-Pc. 2-Pc.
Int. Int. Int. Ext. Ext. Int. Int. Ext. Int.
1870 1870 1870 1870 1870 1870 1855 1825 1825 1870 1870
51 48 48 51 51 51 51 50 50 52 50
EAG103503480CM IMCA Legal, No Holes
EAG103053480SP EAG103523480 EAG103503750 EAG103523750 EAG10352375057E † EAG10350375057I EAG10352375057I EAG104003750 EAG10400375057I
Sprint Car Racersaver Standard Replacemant Stroker, Early Model Stroker, Late Model Stroker, Late Model Stroker, Early Model Stroker, Late Model Standard Replacement Stroker, Early Model
Int.-Ext.
Int.-Ext.
† Balance with factory LT1 flywheel/flexplate.
Scat Pro Stock features cast 9000 steel, precision-ground, micro-polished, factory balanced, 5.700" or longer rod, and is WISSOTA approved. Pro Comp features cast 9000 steel, precision ground, knife-edged counterweights, factory balanced, straight shot oil holes, micro-polished, and is IMCA and Racesaver approved.
Min. Rod Length Rod Pin Main
Rear Main Seal
Target Bobweight Grams
Approx. Wt. /Lbs.
Part No.
Description
Stroke
Balance
SCA9-10442 SCA9-10526
Pro Stock Early Style Pro Stock Late Style Pro Comp Early Style
3.480" 5.700" 2.100" 350 2-Pc. 3.480" 5.700" 2.100" 350 1-Pc. 3.480" 5.700" 2.100" 350 2-Pc. 3.500" 6.000" 2.100" 400 2-Pc. 3.750" 5.700" 2.100" 350 2-Pc. 3.750" 5.700" 2.100" 400 2-pc. 3.750" 5.700" 2.100" 350 2-Pc. 3.750" 5.700" 2.100" 350 1-Pc. 3.750" 6.000" 2.100" 350 2-Pc. 3.750" 5.700" 2.100" 400 2-Pc. 3.750" 6.000" 2.100" 400 2-Pc.
Int. Int. Int. Int. Ext. Ext. Ext.
1800 1800 1800 1800 1800 1800 1800 1800 1800 1800 1800
48 48 51 51 48 48 51 51 51 55 55
SCA9-350-3480-5700 SCA9-400-3500-6000
Pro Comp IMCA & Racesaver Legal Pro Stock WISSOTA Approved Pro Stock WISSOTA Approved Pro Comp IMCA & Racesaver Legal
SCA9-103750 SCA9-104000
SCA9-350-3750-5700 SCA9-350-3750-5700-L SCA9-350-3750-6000 SCA9-400-3750-5700 SCA9-400-3750-6000
Pro Comp Late Style IMCA & Racesaver Legal
Int. /Ext.
Pro Comp IMCA & Racesaver Legal Pro Comp IMCA & Racesaver Legal Pro Comp IMCA & Racesaver Legal
Int. Ext. Int.
29
2021-22 ENGINE BUILDER CATALOG
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