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Killer B Motorsport LLC |
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If you’re looking to have your own personal reserve of foreign oil here’s a good place to start. The Optimal Oil Pan holds an extra quart of oil, a 25% increase in capacity over OEM. Optimal Oil Pan was designed to work with our Ultimate Oil Pickup (OEM ones are known to break), but can be modified to work with the OEM pickup.
· 3D CAD Designed
· 1/4” Billet Aluminum Flange
· 1/8” thick CNC Laser cut pan
· CNC Formed
· TIG Welded
· 2 Drain Plugs: (1) OEM Tap & (1) 1/2” NPT Tap
· Comes with ALL Hardware
For a truly awesome setup don’t forget to check out our Ultimate Oil Pickup Fits All Impreza 2002-2010, Forester 2004-2008, Legacy 2004-2009 OEM Belly pan will need to have a small piece trimmed, see pictures below. Ask about our powder coating services! In stock! |
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Subaru WRX / STi EJ25 Aluminum Performance Optimal Oil Pan |
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Home |
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About Us |
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Contact Us |
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Parts List |
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The Oil Pickup Story |
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Click here for The Oil Pickup Story |
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NEW Developments |
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Technical Tidbits |
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Included Hardware / Spacer Kit |
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The Optimal Oil Pan is ~3/8” deeper than a factory oil pan. We recommend using our spacer kit with any OEM oil pickup 2006 and later AND with our own Ultimate Oil Pickup. Some builders prefer a larger pan to pickup clearance, some do not. Kit consists of (1) flange spacer, (2) bracket spacers, o-ring, and the correct (4) bolts. All spacers are CNC machined from 6061 billet aluminum. |
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Of course we use the OEM dipstick tube! It’s there, it works, why not! |
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Perfect Textbook Aluminum TIG weld |
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Mounting holes are spot-faced to remove any weld bead that may interfere with mounting bolts. |
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The one concession with the Optimal Oil Pan. If you don’t want the OEM belly tray to rub, you’ll need to take a utility knife and trim it as shown here. Expect this operation to add about 12 seconds to your assembly time. |
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Before |
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After |





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· All Pans Fit and Leak Tested
· No Moving Parts
· Fits ALL Headers
· 25% Increase in Capacity
· Streamlined Flow-Through Baffles
· Powder Coat Finish Available
· Retains OEM Dipstick |
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This is everyone first question, and the answer is; YES. While we don’t have Everyone's header in the world here to test fit, the mainstream brands (Perrin, GT-Spec, MadDad, Invidia, etc.) and headers known to crowd the pan have been test fit. Please feel free to contact us for you unique header application. |





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Perrin |
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Full-Race |
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GPMoto |
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Gruppe-S |
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Black Powder Coating Available |
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OEM & GrimmSpeed |




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DOES MY HEADER FIT? |