New Heavy Duty Muncie 4 Speed Case Kit by Super661 - 1 \" Countershaft Shaft Only For Sale - New and Used

The Super661 HD Muncie main case replacesany Muncie 1 inch style main case and is also a direct replacement for Autogear Supercases.The Super661 S-661 case kit comes with a new designed sealed front bearing, Redline gaskets, countershaft stabilzer plug, bronze thrust washers, mounting hardware, extended fit countershaft and Zero-Leak fill and magnetic drain plugs. CNC precisionquality machined case with extra thick mounting ears. Replaces GM case 3885010, 3925660 and 3925661. Use withour billet aluminum or nodular ironmidplate, part # 16-6020A or 16-6020 to complete your ultimate Muncie case upgrade. Case has provisions for vents as well as oil cooler lines.

• Low gas pressure\\ castingyields higher density and uniform wall thickness
• All cases are X-ray inspected to check for voids, cracks and porosity
• Provisions for oil pump return
• Provisions for a case vent
• Machined for thru venting into tailhousing ( using our midplates)
• Smooth internal contours and surface to reduce parasitic drag
• Internal case contours designed to keep more oil up front
• Dual side cover dowel pin locations ( use with our billet sidecover )

---