SeriousCrafts.com > Engines Page 1 of 1. 1 rc-ttr-9604 Radio Control * Thunder Tiger Pro 39H Ball Bearing Helicopter Engine - TTR 9604 Thunder Tiger's New 39h Engine has more power than you need! Indeed, this power-plant will provide enough power to make your 30 size Heli Scream! $139.99 > Learn more @ eHobbies! rc-ftm-f01024 Radio Control - Fantom Motors .18 T-Maxx Drop-In Engine w/Manifold - FTM F01024 Radio Control - Fantom Motors .18 T-Maxx Drop-In Engine w/Manifold - FTM F01024 $199.99 > Learn more @ eHobbies! rc-hpi-1406 Radio Control - HPI Nitro Star S-25 SS Engine W/Pullstart - HPI 1406 Available from HPI Racing is the New Nitro Star S-25 engine! This powerful new engine has 20% more displacement than our Nitro Star 21BB engine! The Nitro Star S-25 is a .25 cubic inch (4.1cc) big block engine that features a machined billet aluminum heatsink head for extra cooling, dual bushing aluminum connecting rod, true ABC chrome sleeve construction for durability, and a simplified dual needle 7mm slide carburetor for easier tuning with a composite body for better performance at higher temperatures. ? 21BB Nitro Star S-25 Size .21 .25 Horsepower @ RPM 2.3hp @ 30,000 2.5 @ 29,000 Maximum RPM ? 38,000 Heatsink Head cast metal Machined Aluminum Case silver Black Heatsink Coating Carburetor metal Composite Carb Adjustments high, mid, low simplified to High and Low Connecting Rod single bushing Dual Bushing Construction ABC ABC $149.99 > Learn more @ eHobbies! Page 1 of 1. 1 SeriousCrafts.com > Engines Note from SeriousShopping.net the owners seriouscrafts.com : Prices shown may not reflect the latest price available. The prices or items listed at the products web site will take precedence over any price or items listed on seriouscrafts.com Be sure to check the price and availability when completing your order. Thank you for shopping with a name you trust, SeriousShopping.net. For inquiries regarding any order placed please visit their customer service page.