The BTR LS3 Timing Cover is a one-piece aluminum timing cover built as a direct cross-reference to GM part number 12633906, designed for 2005 and newer Gen 4 LS-based car and truck engines that use a front-mounted camshaft position sensor. It is a Non-VVT application only and ships complete with everything needed for installation.
- Part Number: BTR-33906 (cross-reference to GM 12633906)
- Application: 2005+ Gen 4 LS-based car and truck engines, Non-VVT only
- Material: Aluminum, natural finish
- Construction: 1-piece design with front-mounted cam sensor port
- Includes: Camshaft position sensor, timing cover gasket, crankshaft front seal, and mounting bolts
- Conversion Use: Can convert a Gen III LS engine with a rear-mounted cam sync sensor to front-mount sensor style when paired with the correct camshaft drive gear/reluctor
FAQ
What engines does the BTR-33906 timing cover fit?
The BTR-33906 is designed for 2005 and newer Gen 4 LS-based car and truck engines that use a front-mounted camshaft position sensor, and is built as a direct cross-reference to GM part number 12633906. It is a Non-VVT application only.
What is included with this timing cover?
The BTR-33906 ships complete with the camshaft position sensor, timing cover gasket, crankshaft front seal, and mounting bolts for a full OEM-correct installation.
Can this cover be used to convert a Gen III LS engine to a front cam sensor?
Yes. It can be used to convert a Gen III LS engine with a rear-mounted cam sync sensor to the front-mount sensor style, as long as the correct camshaft drive gear/reluctor is installed.
