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JIMS® Machining Roller Rockers Double click on above image to view full picture

JIMS® Machining Roller Rockers

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As low as: $7.49

Price as configured: $0.00

Overview

JIMS® Roller Rocker arms are made from aerospace quality 4340 chrome moly steel, CNC machined and specially heat treated for durability. Critical areas of the arm are strengthened and material is removed where not needed for lighter weight. A roller tip made from bearing grade steel is incorporated to reduce valve and guide wear and 660 bronze bushings are used for stability, longevity and strength. Available for EV and Twin Cam® engines in stock 1.625:1, or higher 1.745:1 ratio for additional lift at the valve (modifications required). Shovel arms are 1.5:1 ratio. Uses stock or JIMS replacement rocker shafts (not included).

Price as configured: $0.00

Details

JIMS® Roller Rocker arms are made from aerospace quality 4340 chrome moly steel, CNC machined and specially heat treated for durability. Critical areas of the arm are strengthened and material is removed where not needed for lighter weight. A roller tip made from bearing grade steel is incorporated to reduce valve and guide wear and 660 bronze bushings are used for stability, longevity and strength. Available for EV and Twin Cam® engines in stock 1.625:1, or higher 1.745:1 ratio for additional lift at the valve (modifications required). Shovel arms are 1.5:1 ratio. Uses stock or JIMS replacement rocker shafts (not included).

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Additional Information

Brand JIMS®
Engine Type Big Twin®, Evolution®, Shovelhead®, Twin Cam®
Model No
Year Range No
Transmission Type No
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