This is the K5.9 Big Block Engine with Pull Starter from HPI. Fits all versions of the current glow powered HPI Savage ABC piston and liner construction, "A"luminum piston with "B"rass cylinder liner that is "C"hrome plated Three needle composite bodied slide valve carburetor with 9.5mm diameter inlet Twelve fin aluminum heat sink cylinder head, gun metal gray in color Two year warranty, valid for engines sold and used in the USA, Canada and South America K5.9 Big Block Engine with Pull Starter, silicone exhaust gasket, R5 cold glow plug, foam air filter assembly with zip ties and instruction sheet Fuel: Car blend with 20-25% nitro content Glow plug wrench and track equipment Displacement: .36 cu in (5.9cc) Carburetor Settings- High Speed Needle: Flush with groove Low Speed and Mid Range Needle: Flush with carb body Idle Adjustment Screw: Set after high speed needle is adjusted-set high enough to keep engine running smoothly but not engage the clutch or turn the wheels Refer to manual for more detailed carburetor setting info Height from Crankcase Bottom to top of Cylinder Head: 4.4" (112mm) Height/bottom of Mounting Tab to top of Cylinder Head: 3.8" (97.5mm) Distance between Mounting Hole Centers Same Side: 0.87" (22mm) Distance between Mounting Hole Centers Opposite Side: 1.5" (38mm) Length from Starter to end of Crankshaft: 4.4" (112mm) Length from Starter to Front Bearing: 3.3" (83mm) Width at Mounting Tabs: 1.8" (45mm) Diameter of Cooling Head: 2.4" (60mm) jxs 6/10/08 ir/jxs &