TSP LS Gen 3/ Gen 4 Billet Valley Cover with Gasket Kit

TSP Billet Valley Cover with Gasket Kit

The TSP Billet Valley Cover Kit is designed for high-horsepower LS applications, especially turbocharged combinations that create excessive crankcase pressure. This system improves crankcase ventilation, reduces oil vapor contamination, and helps prevent front and rear main seal blowout.

This product allows you to choose between a Gen 3 LS or Gen 4 LS valley cover and gasket kit configuration.

Key Features

• Vents excessive positive crankcase pressure
• Provision for 1/8” NPT crankcase pressure sensor (RIFE style)
• Dual -12 ORB ports (adapters included)
• Built-in baffle system to reduce oil carryover
• Molded O-ring with dovetail groove for easy installation
• Compatible with OEM oil pressure sensor

Fitment

• Gen 3 or Gen 4 LS engines (based on selection)
• Works with blocked-off rear steam ports

Does not fit most 4-corner steam port kits, OEM plastic intake manifolds, low-style FAST intake manifolds, or PDS superchargers.