ST LOUIS PERFORMANCE ENGINE BUILDING
At Speed & Sound, we don’t believe that you should be stuck with whatever motor came in your vehicle. Whether you want to replace a economy engine with a more powerful version, or to swap engines across manufacturers, we have the knowledge and the staff to make it happen. Through our vast experience in autosports and engine building, we have the knowledge and expertise to your dream build a reality. We use the best brands and components in our engine builds, including but not limited to:
- Carrillo Rods and Components
- JE Pistons and Components
- Wiseco
- ACL Bearings
- Ferrea Valvetrain
- CP Pistons
- Full Race
- HKS
Here is a list of the most popular swaps performed at Speed & Sound.
| SKYLINE RB 26 INTO NISSAN 300ZX | |
| GM LS1, LS2, LS6 INTO MAZDA RX7 | ![]() |
| TOYOTA 2JZ INTO MAZDA RX7 | ![]() |
| SILVIA SR20 TURBO INTO NISSAN 240 SX | ![]() |
| SKYLINE RB26 INTO NISSAN 240SX | ![]() |
| TOYOTA 2JZ INTO HONDA S2000 | ![]() |
| HONDA K SERIES INTO LOTUS ELISE | ![]() |
| HONDA K SERIES INTO TOYOTA MR2 | ![]() |
| STROKER MOTORS | ![]() |
| RACE ENGINES (BALANCED AND BLUEPRINTED) | ![]() |
HONDA ANYTHING INTO HONDA ANYTHING.
TRANSMISSION & MISC SWAPS:
LS SERIES 6 SPEED INTO 1ST AND SECOND GEN GM VEHICLES
6 SPEED GM INTO RX7 / LS SERIES MOTOR INTO RX7
LS SERIES MOTOR INTO HONDA S2000
LS SERIES ENGINE GM INTO CLASSIC MUSCLE CAR PLATFORM
HONDA ANYTHING INTO HONDA ANYTHING
To further help you achieve your desired level of street and race performance, we also offer engine honing and cylinder head porting through our business partner, Phase II Machine. Please call us @ 314-457-0004 for info and pricing regarding honing, porting, or other engine swaps not listed.









