2003 Chevrolet Corvette 50th Anniversary Edition Pace Car Performance Parts

Katech Gen III & IV LS Wet Sump Slotted Raw Cast Aluminum Valve Covers Raw Cast Aluminum Covers with Oil Fill Access and Grooves for Personalized Inserts. The Katech Gen III & IV LS Wet Sump Slotted Raw Cast Aluminum Valve Covers combine a...

Katech Gen III & IV LS Dry Sump Slotted Raw Cast Aluminum Valve Covers Raised Cast Aluminum Covers with Machined Insert Grooves for a Personalized LS Engine Appearance. The Katech Gen III & IV LS Dry Sump Slotted Raw Cast Aluminum Valve Covers feature...

Katech LS Manual Billet Serpentine Belt Tensioner Championship-Proven Belt Stability for High-Performance LS Engines The Katech LS Billet Serpentine Belt Tensioner is a precision-engineered upgrade designed to help minimize belt slip and improve accessory drive stability under the most demanding conditions. Crafted from USA...

Description LS Rear Main Seal Retainer

LS Cam retainer/ thrust plate Utilizes countersunk bolts (available below)

Description LS Flywheel bolts

GM Genuine Parts LS Exhaust Manifold Gasket OEM GM LS Exhaust/Header Gasket, sold individually. Does not fit LS7 Product Specifications Classification OE Thickness 0.75 mm Bolt Hole Quantity 8 Thickness 0.03 in Color Natural Port Shape Round Material Stainless Steel Mounting Hole Diameter 9.18 mm Mounting Hole...

Katech Motorsports LS Manual Billet Serpentine Belt Tensioner Engineered for Sustained High-Load Motorsports Use. The Katech Motorsports LS Manual Billet Serpentine Belt Tensioner is engineered for professional racing applications that require consistent belt tension, precise pulley alignment, and reliable accessory drive operation during sustained...

Katech LS Dual Valve Spring Replacement Seat Replacement Spring Seat for Compatible LS Cylinder Heads and Dual Valve Spring Packages. The Katech LS Dual Valve Spring Replacement Seat is designed for LS cylinder heads equipped with dual valve springs and OEM or most bronze...

The GM Genuine Parts Engine Front Cover Seal prevents engine oil leakage at the crankshaft sealing surface by maintaining a proper seal between the crankshaft and the front/timing cover. This GM Genuine Part is designed, engineered, and validated to meet General Motors OE specifications...

Katech LS OEM Guide .040 Valve Spring Replacement Seat Spring Seat for Compatible LS OEM Valve Guides and PSI Beehive Valve Springs. The Katech LS OEM Guide .040 Valve Spring Replacement Seat is designed for compatible LS cylinder heads using OEM valve guides and...

Katech Competition LS Cylinder Head Assembly Service PRECISION VALVETRAIN SETUP  Katech Competition LS Cylinder Head Assembly provides precision cylinder head assembly and valvetrain setup for high-performance and racing engine applications. Each cylinder head is assembled to match your specific camshaft and valvetrain combination, with...

Katech Gen III & IV LS CNC Ported Wet Sump Oil Pump New GM LS6 Gerotor Pump with CNC Inlet Porting and Katech Blueprinting. The Katech Gen III & IV LS CNC Ported Wet Sump Oil Pump starts with a brand-new GM LS6 gerotor...