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Mr. Gasket Windage Tray & Gasket

Fits Chrysler 383-440 Big Block with Up to 3.75 Inch Stroke

PART# 61100G

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This windage tray includes molded rubber gaskets on the top and bottom for a one-piece design. The windage tray is made from glass filled nylon & molded rubber (modern materials that hold up to heat & oil). The molded rubber gaskets don't need any RTV (room temperature vulcanizing), so future service is easy (no scraping off old gaskets and replacing them each time the oil pan is removed). The re-usable windage tray / gasket can be washed with soap & water. Made in the USA.


  • Combination Windage Tray & Oil Pan Gasket for Big Block Chrysler / Mopar
  • Fits 383, 400, 413, 426W, 440 & 426 Hemi
  • Made From Glass Filled Nylon w/ Molded Rubber Gaskets
  • Choose From 2 Sizes – Up to 3.75” Stroke, or Up to 4.15” Stroke
  • Reusable – Wash w/ Soap & Water
  • Eliminates Hassle to Scrape Off Old Gaskets & Cost to Replace the (2) Paper Gasket w/ Metal Windage Trays
  • Gasket Works Best on Oil Pans w/ a Smooth Pan Rail (no Dimples in the Stamped Oil Pan)
  • Made in the USA


Application1963-1978 Mopar B/RB 361-440 & Stock 426 Hemi
BrandMr. Gasket
Emission Code5
EngineChrysler Big Block B/RB
Chrysler Hemi (Gen II)
Maximum Stroke3.75"
Oil Pan Gasket MaterialMolded Rubber w/ Nylon Carrier
Oil Pan TypeSmooth Rail
One Piece Oil Pan GasketYes
Product TypeOil Pan Accessories
Rear Main Seal StyleTwo Piece
WarrantyLimited 90 Day
Part Number61100G



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Tech Resources

Note: Works best with smooth rail oil pans. Dimpled or grooved oil pan rails may leak without silicone sealant.

Warranty Information

Limited 90 Day: See Details


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