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4340 STEEL NON TWIST FORGED RACING CRANKSHAFTS

C.A.T. forged 4340 steel crankshafts have been tested and proven to excel in engines producing 1,000 horsepower and 10,000 RPM and above. The premium 4340 aircraft quality steel with vacuum degassed forging process creates a clean and pure crankshaft. The state-of--art CNC machine centers provide superior tolerance.

C.A.T. 4340 crankshafts incorporate these features:
- Computer designed counterweight to reduce main bearing loads.
- CNC machined to provide superior tolerance and journals micro polished to 5 RMS.
- Generous 0.125" journal radii to disperse stress under high loads.
- Each crankshaft has been visually inspected, X-rayed, magnafluxed, and ultrasonic tested to ensure perfection.
- All cranks are heavier at counter weight for easier balancing with various applications.
- Journal surfaces are treated with plasma gas nitrite to HRC60 hardness for superior wear resistance.

- Light weight and ultra light cranks are available.

- Cransk are shot peen for 100% stress relief.

- Cross drill or OEM oiling system on journals are available.

- All cranks are pre dynamic balanced with target bob weight within 2% up and down tolerance.

Notice: All Ford 351W/351C cranks are made with small block Chevy rod journals, with a minimum of 6.200" rod length

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(10 - 100)
Part No.
Application
Description
Price
Qty
Select
GM/Chevy
CKS-502EB
GM 502
4.500“Stroke,2.749" main, 2.200" rod, 69# Internal balanced, 6.535" rod,B/W2300g No cross drill,1 rear seal, '91-02
825
CKS-L350BA
GM 350
3.500“Stroke,2.449" main, 2.100" rod, 54$,Internal balanced, 5.700" rod,B/W1855g, Cross drill, 1 rear seal, '89-00
675
Ford
CKS-W351A
FORD 351W
3.500“Stroke,3.000" main, 2.100" rod, 60#,Internal balanced, GM 6.200" rod,B/W1920g, Cross drill, ‘68-97
675
CKS-W351AE
FORD 351W
3.500“Stroke,3.000" main, 2.100" rod, 60#,External balanced, GM 6.200" rod,B/W1920g, ross drill, ‘68-97
750
CKS-W351B
FORD 351W
3.600“Stroke,3.000" main, 2.100" rod, 60#,Internal balanced, GM 6.200" rod,B/W1920g, Cross drill, '68-97
675
CKS-W351BE
FORD 351W
3.600“Stroke,3.000" main, 2.100" rod, 60#,External balanced, GM 6.200" rod,B/W1920g, Cross drill, '68-97
750
CKS-W351C
FORD 351W
3.750“Stroke,3.000" mani, 2.100" rod, 60#,Internal balanced, GM 6.200" rod,B/W1920g,Cross drill, '68-97
675
CKS-W351CE
FORD 351W
3.750“Stroke,3.000" main, 2.100" rod, 60#,External balanced, GM 6.200" rod,B/W1920g,Cross drill, '68-97
750