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ARP 100-9941

ARP Stretch Gauge


Free Shipping Estimated to ship directly from the manufacturer on 01/30/19
Need it Sooner? This similar item ships today!
Proform Connecting Rod Bolt Stretch Gauge Tool
Proform 778-66788

ARP Stretch Gauge $264.99
Out of stock
Stretch Gauge


Case Finish
Case Included
Dial Indicator Included
Dial Indicator Increments (in.)
Dial Indicator Range (in.)
Sold as a kit
Rod Bolt Stretch Gauge Finish
Rod Bolt Stretch Gauge Material
Case Material
Manufacturer's Part Number:

ARP's Rod Bolt Stretch Gauges are highly recommend for when installing rod bolts and other fasteners, where it is possible to measure the length of the bolt after tightening. These gauges offer the most accurate way to determine the correct pre-load in the rod bolt. These highly accurate stretch gauges come with a dial indicator that reads in increments of .0005''. Featured are extra heavy springs for consistent repetition and includes a heavy-duty, insulated plastic carrying case for protection.

Instructions: Measure the fastener prior to starting, and monitor overall length during installation. When the bolt has stretched the specified amount, the correct preload, or torque has been applied. It is recommended that you maintain a chart of all rod bolts, and copy down the length of the fastener prior to and after installation. If there is a permanent increase of .001'' in length or more, or if there is deformation, the bolt should be replaced immediately.

Some parts are not legal for use in California or other states with similar laws / regulations

Motor Vehicles

WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.


WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

Electrical Cords

WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.