S-Power S3 & S7 .21 buggy engines
S-Power, the new series of engines from S-Workz have announced two new 3 port engines, the S3 and S7, which claim to give great power delivery and lower fuel consumption than those currently on the market. The top of the line S3 features a DLC coated balanced crankshaft, comes with high quality ceramics ball bearings and features an easy to tune 3 needle carburetor.
View internal engine images here