BRAND NEW Ryobi Gas Engine Motor Block HIGH PERORMANCE!

This auction is for One BRAND NEW Long shaft HIGH PERFORMANCE Engine block THE ONE ON THE LEFT IN THE PHOTO BELOW (NOTE: This 31cc Long shaft Block - interchangeable with some models by: Ryobi, MTD, Troy Built, Bolens, Yard Machines & others.

  Please see photo below to see how this engine block is internally PERFORMANCE timed. Crank PIN/Counterweight assembly is pressed onto crankshaft from factory 35 - 40 degrees advanced from standard blocks (advancing ignition timing 35-40 degrees BTDC) - the difference in power & fuel economy is greatly improved on engines with advanced ignition timing! YOU CAN CHECK YOUR RYOBI BY SIMPLY REMOVING SPARK PLUG & FLYWHEEL & POSITIONING KEYWAY SLOT on CRANK AT 12 o'clock POSITION - LOOK IN AT PISTON & ROTATE CRANK (SHAFT POINTING AT YOU) COUNTER CLOCKWISE - IF PISTON GOSE UP ABOUT 1/4 " CONGRATULATIONS! You OWN A PERFORMANCE BLOCK! IF YOUR PISTON MOVES DOWN........ sorry STANDARD block - You may want to place a bid on this item - OR - a standard type block owners can purchase from The Best Engines - the original TIMING is everything! ignition conversion instructions with template an optional after market project that will increase power & economy of your engine. This project simulates crank advance by repositioning the ignition coil. However, this method will require some work & add a small amount of weight to your engine (Best for Boats). IT SHOULD BE NOTED THAT OUR TEST PLANES WENT FROM 18 x 6 to 20x6 PROPS WITH THESE TIMING IMPROVEMENTS (@ 7300+ rpm) - A REAL POWER BOOSTER!! FIXED $12.75 shipping in the continental USA . NOTE: PAYING WITH PAYPAL BEFORE 4 PM EASTERN MONDAY-FRIDAY GUARANTEES THIS ITEM TO SHIP OUT SAME DAY ! This item is sold as is & estimated shipping to West Coast (from East Coast) is around a week depending on your zip