What are the Lug Nut Seat Types? · Help Center - Summit Racing
A 60° Conical Seat is the most common and is found on most aftermarket wheels. A 45° Conical Seat has a larger, wider surface that engages the wheel. They are used with Circle Track and NASCAR style race wheels. A Shank Style lug nut is also called "Mag Seat" and generally uses a washer. It has an extended shank that fits into the hole on the ...
What is an ET style lug nut? · Help Center - Summit Racing
Wheels with Conical Seats may be able to use ET Style Lug Nuts. These lug nuts have the same 60° conical seat plus a small 0.300" long shank that will fit into most aftermarket wheels. This equates to about 6 additional full turns of thread engagement, which will usually allow for safe installation of the wheels.
What are Uni-Lug wheels? · Help Center - Summit Racing
Dual pattern wheels have 2 sets of holes drilled in them. So, a wheel for a 5-lug vehicle will have 10 holes. The wheel above will fit a 5 x 4 1/2 in. AND a 5 x 4 3/4 in bolt pattern. There are 10 holes in the wheel: 5 on a 4 1/2 in. circle. 5 on a 4 3/4 in. circle. Dual pattern wheels generally use a Conical Seat Lug Nut. They also use a ...
Spark Plug Seat Type · Help Center - Summit Racing
SR-05076. Print. Spark Plug Seat Type. Views: The spark plug's seat seals the combustion chamber. It can be flat with a gasket or tapered. The cylinder head determines which type is required. The seat types CANNOT be interchanged. The wrong seat will not seal the chamber and cause compression loss.
How do I check my ball joints? · Help Center - Summit Racing
Lug Wrench; Wheel Chocks; Follow the steps below: Check for tires wear. Chock the appropriate wheels. Loosen the lug nuts on the wheel to be inspected. Raise the wheel to be inspected off the ground. Grab the top and bottom of the tire. Push in on the top and pull out on the bottom. Continue this motion to rock the tire back and forth. (It ...
Small Block Chevrolet Torque Specs · Help Center - Summit Racing
The following specs apply to: Gen. I, Small Block Chevy. Fastener Type. Torque Spec. 7/16 in. Outer Main Cap Bolt. 65 ft.-lbs. 7/16 in. Inner Main Cap Bolt. 70 ft.-lbs.
Category · Help Center - Summit Racing
What is an ET style lug nut? "ET" = Extra Threads. If you're planning on putting new Aluminum Wheels under an older vehicle, especially from the early 70's or older, wheel stud length can be an issue. These older cars usually have shorter studs because they only came with thin steel wheels. For saf... Which lug nuts should I buy? Lug Nut Selection
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What does "hub centric" mean? · Help Center - Summit Racing
Lug Centric. Non hub centric wheels are centered by the lug hardware. They are also known as "lug centric". The center bore of the wheel may or may not be the exact center of the wheel. Most aluminum aftermarket wheels are lug centric. The center bore is intentionally made large to fit over a variety of different size hub pilots.
What spark plugs should I buy? · Help Center - Summit Racing
Seat Type. The spark plug must be seated properly. There are 2 main seat types. Make sure you get the right one for your engine. Follow this link to learn more about Spark Plug Seat Type. Reach. The tip of the plug must be in the right spot of the cylinder. This is determined by the plug's reach. Follow this link to learn more about Spark Plug ...