Falcon Transmission 61991 Mainshaft Free Shipping Part # 80261991 Write the 1st Review $149.99 (Each) Quantity: In Stock Fields in red are required. Add to Cart Add to Build List X 1 item added to cart Falcon Transmission 61991 Mainshaft Added! Falcon Transmission 61991 Mainshaft Part # 80261991 $149.99 Quantity: 1 - Price: $149.99 Your Shopping Cart now has 10 items . Total: $100.00 Checkout Continue Shopping X Compare X Sorry, you must be logged in to use the Build List feature. Click here to login. Item XXXXXXXX is on BACKORDER. We will ship it when it becomes available. Press "Continue" to add this item to your cart. If you'd like to receive an email notification when this item is back in stock enter your email here: Email: Sign-up To return to the page click "Cancel". Cancel Continue Not what you're looking for? View Other: Falcon Transmission Replacement Parts View Other: Manual Trans Main Shafts Specs Sold in Quantity: Each Spline Count: 18 MFG. Part #: 61991 Shaft Diameter: 1.55 Output Shaft Length: 3.38 Spline Length: 1.05 Notes Fits Falcon transmission. Click image to enlarge Details Reviews (0) Q & A (0) What's in the Box Info Replacement parts for Falcon racing transmission.