Glenn's Auto Performance

1506 products ★ 5.0

Glenn's Auto Performance is an online automotive retailer based out of Clearwater, Florida that specializes in LSX and LTX performance products.

Glenn's Auto Performance

All products

All Intake Manifolds & Accessories Silicone Hose Kits Customer Favorites Race Star Wheels Rebel Racing Offroad Fuel Injectors Throttle Bodies Headers Camshafts Fuel Rails Fuel Pumps Lifters Rockers Turbochargers Cold Air Intakes & Filters Exhaust Systems Chassis, Suspension & Brakes Valve Springs Catch Cans LS/LT Swap Components ECM & Tuning Nitrous Systems Fasteners Clutch & Flywheel All Products GTO (2004-2006) GM Truck (1999-2007) GM Truck (2007-2013) GM Truck (2014+) Camaro (1998-2002) Camaro (2010-2015) Camaro (2016+) Corvette C5 (1997-2004) Corvette C6 (2005-2013) Corvette C7 (2014-2019) CTS-V (2009-2015) TBSS (2006-2009) LS/LT Swap Brian Tooley Racing Ignition Gaskets Flex Fuel Pushrods Oil System Timing Components Fuel Pressure Regulators Texas Speed & Performance Fuel Injector Clinic Transmission Cooling Torque Converters

Gen 5 LT REAR COVER OIL GALLERY SEAL - Like GM#12627520

Gen 5 LT REAR COVER OIL GALLERY SEAL - Like GM#12627520

OE Style LS Engine Oil Galley Plug (Barbell)

OE Style LS Engine Oil Galley Plug (Barbell)

GEN 5 LT HIGH PRESSURE FUEL PUMP GASKET - 12623308

GEN 5 LT HIGH PRESSURE FUEL PUMP GASKET - 12623308

TBSS & 2007-2013 GM Truck Intake Throttle Body Gasket - Like GM 12589235

TBSS & 2007-2013 GM Truck Intake Throttle Body Gasket - Like

GM Harmonic Balancer Bolt (Crank Bolt) for LS & LT Engines

GM Harmonic Balancer Bolt (Crank Bolt) for LS & LT Engines

Gen 5 LT Valley Cover Gasket - Like GM 12623104

Gen 5 LT Valley Cover Gasket - Like GM 12623104

LS Cylinder Head to Block Dowel (Set of 4) - Like GM #12570326

LS Cylinder Head to Block Dowel (Set of 4) - Like GM #125703

OIL FILTER BYPASS COVER GASKET - Like GM #12611384

OIL FILTER BYPASS COVER GASKET - Like GM #12611384

PAIR of Gen III/IV LS Water Pump Gaskets - Like GM #12630223

PAIR of Gen III/IV LS Water Pump Gaskets - Like GM #12630223

PAIR of Gen 5 LT Water Pump Gaskets - Like GM #12657430

PAIR of Gen 5 LT Water Pump Gaskets - Like GM #12657430

Gen 3 LS Knock Sensor Grommet - Like GM# 12558177

Gen 3 LS Knock Sensor Grommet - Like GM# 12558177

LS Oil Pump Pick-Up Tube Girdle

LS Oil Pump Pick-Up Tube Girdle

Chevrolet Performance Gen 5 LT Front Oil Pan Seal - 12666993

Chevrolet Performance Gen 5 LT Front Oil Pan Seal - 12666993

PAIR of Gen 5 LT VALVE COVER GASKETS - Like GM# 12619787

PAIR of Gen 5 LT VALVE COVER GASKETS - Like GM# 12619787

PAIR of LS MLS HEADER GASKETS -Like GM #12617944

PAIR of LS MLS HEADER GASKETS -Like GM #12617944

Set of 4 Gen III/IV LS WATER CROSSOVER GASKETS

Set of 4 Gen III/IV LS WATER CROSSOVER GASKETS

LS REAR MAIN SEAL - Like GM#89060436

LS REAR MAIN SEAL - Like GM#89060436

LPC Harmonic Balancer Bolt (Crank Bolt) for LS & LT Engines

LPC Harmonic Balancer Bolt (Crank Bolt) for LS & LT Engines

Gen 5 LT1/L83/L86 INTAKE GASKETS (Set of 8)- Like GM #12626354

Gen 5 LT1/L83/L86 INTAKE GASKETS (Set of 8)- Like GM #126263

Billet LS Engine Oil Galley Plug (Barbell)

Billet LS Engine Oil Galley Plug (Barbell)

GM GEN III/IV LS or Gen V LT CAM RETAINER PLATE WITH BOLTS

GM GEN III/IV LS or Gen V LT CAM RETAINER PLATE WITH BOLTS

LS REAR COVER GASKET - Like GM#12639249

LS REAR COVER GASKET - Like GM#12639249

Gen 3 LS Valley Cover Gasket - Like GM 12558178

Gen 3 LS Valley Cover Gasket - Like GM 12558178

Gen 5 LT REAR MAIN SEAL - Like GM#12665076

Gen 5 LT REAR MAIN SEAL - Like GM#12665076