kingtair 1/8 Scale 28th Engine 4.6cc RC Nitro Motor For GO Redcat HPI Savage XL kyosho losi Without Glow Plug KingTair Nitro Engine R28th Sport off-road/ on-road/ Truck Car 4.6cc hight performance Rear sport engine for off-road buggy Truck car Fast and smooth acceleration Normal combustion chamber 8mm carburetor in aluminum composite construction 14mm SG Cranshaft Major in leisure or beginner player Package Contents: 28 engine*1pcs Carburetor*1pcs