Small Diameter Spline Lug Bolts - 17mm & 19mm Dual Hex Key - 14mm x 1.50 Thread Size - Black Finish - 40mm Threaded Length - Set of 20 (K5BS-14150X40BGR)
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
Description:
Get secure, precise wheel fitment with these Small Diameter Spline Lug Bolts, engineered with a 14mm x 1.50 thread size and an extended 40mm threaded length for deeper seat wheel applications. The dual-hex design (17mm & 19mm) allows installation using multiple socket sizes, while the small diameter spline body ensures proper clearance for tight aftermarket lug holes.
Finished in a durable black coating, these bolts offer corrosion resistance and a clean, performance-inspired look. This set includes 20 lug bolts, ideal for 5-lug European and tuner-style vehicles.
Features:
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Thread Size: 14mm x 1.50
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Threaded Length: 40mm
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Hex Sizes: Dual hex – 17mm & 19mm
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Finish: Black coating for corrosion protection
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Style: Small diameter spline lug bolt
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Set Includes: 20 lug bolts
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Part Number: K5BS-14150X40BGR
Benefits:
✔️ Small diameter design fits tight aftermarket wheel lug holes
✔️ Dual-hex head provides installation flexibility
✔️ Extended 40mm thread length ideal for deeper wheel seats
✔️ Black finish resists rust, wear, and fading
✔️ Precision-machined threads ensure secure, consistent torque
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.