List of manufacturers who produce automotive engines & engine components, including crankshafts, camshafts, oil pans, cylinder heads, long blocks, short blocks, complete engines, connecting rods, and related items.
| Moroso Specializes in race grade performance engine components. | |
| Scat Crankshafts Manufacturer of performance crankshafts, connecting rods, and related engine components (official site). | |
| Crane Cams Manufacturers of performance camshafts, valvetrain, and other engine components (official website). | |
| World Products World Products manufacturers performance engine short blocks, long blocks, cylinder heads, intake manifolds, and other racing/high performance engine components (official website). | |
| Mahle Motorsports Mahle, manufacturer of internal combustion engine components including pistons & piston rings (Official website). | |
| Edelbrock Edelbrock, manufacturer of performance cylidner heads, carburetors, intake manifolds, EFI systems, exhaust components, & more. (Official website) | |
| COMP Cams COMP Cams, manufacturer of performance camshafts & valvetrain components (Official website). | |