Pro-werks Easy Turn Filler Cap with O-Ring

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Specifications 1-5/8 Inch Fill Cap 1-1/4-12 Straight ThreadCap Weight: 1.06 oz.Without Lanyard BossIncludes O-Ring(Cap Replacement O-Ring is C73-749) 2 Inch Fill Cap 1-1/2-12 Strai ght ThreadCap Weight: 1.62 oz.Without Lanyard BossIncludes O-Ring(Cap Replacement O-Ring is C73-769) 2-3/4 Inch Fill Cap 2-1/4-10 Straight ThreadCap Weight: 3.32 oz.With Lanyard Boss, Accepts Lanyard Chain KitIncludes O-Ring(Cap Replacement O-Ring is C73-788-A) 4-1/4 Inch Fill Cap 3-3/4-8 Straight ThreadCap Weight: 7.86 oz.With Lanyard Boss, Accepts Lanyard Chain KitIncludes O-Ring(Cap Replacement O-Ring is C74-788-A) Overview The lightweight, non-vented cap features positive grip finger notches that are easy to get a hold of. Prime 6061-T6 billet aluminum is precision CNC machined into a lightweight, attractively designed cap; featuring quick-start coarse threads. Each screw on Cap is fitted with a Buna O-ring; positive sealing and "radially squeezed" to hold the cap secure. Backed by The Chassis Shop's Satisfaction Guarantee. Watch Product Videos ⏵ Fill Cap with O-Ring This design uses a radial squeeze action on a Buna O-ring for a secure seal. Precision machined quick-start coarse threads make using these caps a breeze. The large selection of Pro-werks’ mounting bungs are crafted from Steel, Aluminum or Stainless Steel and available in both weld and bolt-on styles. Great Filler Caps - Great Colors To compliment the color coordination of your project, the caps are finished off in Pro-Werks Brilliance anodized colors in your choice of Black, Red, Blue, or beautifully Micro-Polished aluminum – the Pro-werks Jewelry Quality finishes are unmatched and impeccable! The Right Size Matters Easy Turn Fill Caps come in many sizes and are packaged as complete assemblies with your choice of one of the many versatile mounting options, or each component is also available separately Popular Uses: Custom-fabricated tanks Fuel cells Rear End housings Valve covers Overflow tanks Ice boxes for intercoolers Ballast tanks Inspection viewing ports Proudly Made in the USA Both the cap and bung are precision CNC machined light weight billet aluminum, right here in the USA. Be sure to check out the entire line up - Billet aluminum Easy Turn Fill Caps are a Pro-werks specialty. You can always count on Pro-Werks to do it right! Customer Comments: "I use your bolt on caps and bungs on my carbon fiber Cummins common rail valve covers. Love the quality. Thank you."– Randy Davis, Owner of OldSkoolFab, Inc. "I upgraded my fuel cell to an Easy Turn fill cap assembly. It wasn't long until all my friends did the same. Great product!"– As shared with us at the PRI Show Show more