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have questions?
Always the correct part
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If you're local, contact us
Contact us for details
Due to the automated and highly efficient process, once your order is placed it will be shipped right away and cannot be cancelled in most cases. Please make your selection carefully before clicking the order button!
When you place your order before 3pm central, it will be processed and shipped the same business day.
If the part is not a freight item and shipping with the continental United States, your shipping is free.
You may request a change to your order, provided your order has not already been processed and shipped. Please contact us during business hours to change your order or email us at support@raceconsultingagency.com. Please note that response times may vary and sending an email to us with order changes does not guarantee for those changes to be made.
Read more about our shipping policy at the link below.
Our 15-Day free returns policy makes life simple and hassle free.
Read more about our return policy at the link below.
In business and racing for more than 2 decades! Thank you for joining our mission.
We have been in business for more than 2 decades. Our goal is to simply have the largest selection of in-stock parts and the fastest shipping possible. This has helped us fine tune our formula for fast shipments, the best customer service and the industry’s best deals.
Our shop, RCA Garage, installs the parts we sell on a daily basis. If you are local, feel free to contact us for installation or simply come visit our showroom.
Aside from selling and installing parts, we buy the same parts for our cars to use in daily life and motorsports. This is why we feel we have the edge when it comes to parts knowledge.
Here are the most common questions that we get from customers. If you do not see your question or need more information, please contact us.
ARP
Harmonic Balancer Bolt - 7/16-20 in Thread - 2.470 in Long - 13/16 in 12 Point Head - Chromoly - Black Oxide - Small Block Chevy - Each
ARP
Harmonic Balancer Bolt - 5/8-18 in Thread - 2.050 in Long - 5/8 in 12 Point Head - Chromoly - Black Oxide - Big / Small Block Ford - Each
ARP
Harmonic Balancer Bolt - 1/2-20 in Thread - 1.550 in Long - 5/8 in 12 Point Head - Chromoly - Black Oxide - Big Block Chevy - Each
ARP
Harmonic Balancer Bolt - 3/4-16 in Thread - 1.300 in Long - 13/16 in 12 Point Head - Chromoly - Black Oxide - Oldsmobile V8 - Each
ARP
Harmonic Balancer Bolt - 1/2-20 in Thread - 1.550 in Long - 13/16 in 12 Point Head - Chromoly - Black Oxide - Big Block Chevy - Each
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