Merchant Automotive has come up with a simple solution to your bolt problems. The stock bolts in your injector return line have a shallow head that can get rounded out when you remove them. MA's bolt has been designed to give you double the tool engagement by doubling the height of the bolt head. Properly engaging the Allen wrench gives you the right torque during reassembly so that bolts are tightened properly without leaking. The bolt also maintains proper clearance on other engine components. Single bolts retail for $11.49, while a set of 8 bolts retails for $90.95. For more information, call 866-399-7169 or visit www.merchant-automotive.com.