2025 Cadillac CT5 V Blackwing Performance Parts

This crankshaft bolt fits all LS/LT engines with dry sump style oiling.

Katech Gen V LT1/LT4/LT5 2.130" Titanium Molybdenum Intake Replacement Valve Individual Titanium Intake Valve for Compatible Gen V LT Cylinder Head Assemblies. The Katech Gen V LT1/LT4/LT5 2.130" Titanium Molybdenum Intake Replacement Valve features titanium construction, a Chrome Nitride-coated tip, and a back-cut stem...

Katech LT4 Intake Titanium Valve Spring Replacement Retainer Individual Titanium Retainer for Compatible LT4 Intake Valve Spring Packages. The Katech LT4 Intake Titanium Valve Spring Replacement Retainer is designed for the intake side of LT4 cylinder heads using PSI-LS1511 or PSI-LS1516 valve springs. It...

Katech LT4 Exhaust Valve Spring Replacement Seat Replacement Spring Seat for LT4 Exhaust Valves with Compatible PSI Valve Springs. The Katech LT4 Exhaust Valve Spring Replacement Seat is designed for the exhaust side of LT4 cylinder heads using PSI-LS1511 or PSI-LS1516 valve springs. It...

Sold individually Product Specifications Color Black Classification OE Thickness 0.055 in Thickness 1.39 mm Cylinder Bore Diameter 4.1 in Material Multi-Layer Steel   GM Part # 12654622 ACDelco Part # 12654622    PROP 65 WARNING

Katech LT4 Manganese Bronze Valve Guides MANGANESE BRONZE CONSTRUCTION · LT4-SPECIFIC FITMENT · COMPLETE SET OF 16 Katech LT4 Manganese Bronze Valve Guides are designed exclusively for GM Gen V LT4 Cylinder Heads. Manufactured from manganese bronze, these Valve Guides are intended for machining...

Katech Gen V LT4/LT5 CNC Ported Assembled Cylinder Heads NEW GM CASTINGS · KATECH CNC PORTED · STOCK GM VALVE SPRINGS · FULLY ASSEMBLED The Katech Gen V LT4/LT5 CNC Ported Assembled Cylinder Heads provide Katech CNC-ported performance while retaining the stock GM valve...

Katech Spec Ferrea Gen V LT1/LT4/LT5/L86 Super Alloy Exhaust Valve Inconel Exhaust Valve for Higher-Output and High-Duty-Cycle Gen V LT Applications. The Katech Spec Ferrea Gen V LT1/LT4/LT5/L86 Super Alloy Exhaust Valve is designed for compatible LT1, LT4, LT5, and L86 cylinder head applications....

Increases combustion chamber volume to 68cc (may vary due to core shift) Priced when combined with CNC runner porting. If purchased individually the cost will be higher. Requires valve job

Basic CNC Cylinder Head Porting Service (Pair) Katech Engineering offers precision CNC porting for GM Gen 5 LT4 cylinder heads, using Katech-developed port programs designed to improve airflow consistency and overall performance potential. Each intake and exhaust port is CNC-machined to deliver repeatable, balanced...

Allows a Factory LT4 supercharger, or aftermarket LT4 supercharger/intake to be bolted to a LT1, L86 and L83 cylinder head. LT4 superchargers may interfere with L86 and L83 accessory drives. Avoids using adapter plates that can leak and also cause hood clearance issues from...

Katech LS/LT1/L83/LT4 Titanium Valve Spring Replacement Retainer Titanium Replacement for Compatible PSI Valve Spring Packages. The Katech LS/LT1/L83/LT4 Titanium Valve Spring Replacement Retainer is designed for PSI-LS1511 and PSI-LS1516 valve springs in compatible LS, LT1, and L83 valvetrain packages, plus LT4 exhaust valve applications...

Katech LT1, LT4 & LT5 High-Capacity Scavenge Dry Sump Oil Pump Your LT Engine’s Ultimate Weapon Take your LT engine’s oiling system to the next level with the Katech LT High-Capacity Scavenge Dry Sump Oil Pump. Engineered for maximum performance, this pump delivers up...

Katech Gen V LT1, LT4 & LT5 Wet Sump Oil Pump Precision Engineered. Race Proven. Built For Reliability The Katech Gen V LT1, LT4 & LT5 Wet Sump Oil Pump is designed as a direct replacement for factory wet sump oil pumps, delivering reliable...

Katech Gen V LT1/LT2/LT4/L86/L87 87MM CNC Ported Throttle Body New GM Throttle Body with CNC Porting for Compatible Gen V LT Car, Truck, and SUV Applications. The Katech Gen V LT1/LT2/LT4/L86/L87 87MM CNC Ported Throttle Body features CNC porting to improve airflow, pedal feel,...