1991 GMC B-Series Engine
Select Your Submodel
- Engine Assemblies
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Engine Sensors, Relays, Switches
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Management Systems
- Engine Bearings
- Harmonic Balancers
- Engine Rebuild Kits
- Balance Shafts
- Throttle Bodies
- Motor Oils
- Lucas Oil®SAE 70 Conventional Racing Motor Oil, 5 GallonsSAE 70 Conventional Racing Motor Oil, 5 Gallons x 1 Pail by Lucas Oil®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...$169.98
- Maxima Racing Oils®PS0™ SAE 0WT Synthetic Motor Oil, 1 QuartPS0™ SAE 0WT Synthetic Motor Oil, 1 Quart by Maxima Racing Oils®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind....$19.13
- Maxima Racing Oils®Performance Break-In™ SAE 5W-16 Break-In 2X Zinc Motor Oil, 5 GallonsPerformance Break-In™ SAE 5W-16 Break-In 2X Zinc Motor Oil, 5 Gallons x 1 Pail by Maxima Racing Oils®. Mineral based engine oil specifically formulated for breaking in engines with flat tappet camshafts, roller elements and where...$176.27
- Maxima Racing Oils®Performance Straight Weights™ SAE 50W Conventional Motor Oil, 1 GallonPerformance Straight Weights™ SAE 50W Conventional Motor Oil, 1 Gallon by Maxima Racing Oils®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology...$36.80
- Maxima Racing Oils®Performance Straight Weights™ SAE 60WT Conventional Motor Oil, 1 GallonPerformance Straight Weights™ SAE 60WT Conventional Motor Oil, 1 Gallon by Maxima Racing Oils®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology...$36.80
- Maxima Racing Oils®Performance Straight Weights™ SAE 70W Conventional Motor Oil, 1 GallonPerformance Straight Weights™ SAE 70W Conventional Motor Oil, 1 Gallon by Maxima Racing Oils®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology...$41.28
- Maxima Racing Oils®SAE 0W-10 Synthetic RS 010 Motor Oil, 1 QuartSAE 0W-10 Synthetic RS 010 Motor Oil, 1 Quart by Maxima Racing Oils®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind....$17.11
- Maxima Racing Oils®SAE 5W-16 Conventional Performance Break-In Motor Oil, 1 QuartSAE 5W-16 Conventional Performance Break-In Motor Oil, 1 Quart by Maxima Racing Oils®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with...$10.60
- Mobil 1®Racing™ SAE 0W-50 Synthetic Motor Oil, 1 Quart x 6 BottlesRacing™ SAE 0W-50 Synthetic Motor Oil, 1 Quart x 6 Bottles by Mobil 1®. Mobil 1 Racing oils are proprietary formulations of low viscosity synthetic base oils fortified with a precisely balanced component-blended additive system...$101.51
- Motul USA®Classic SAE 50 Conventional Motor Oil, 2 Liters (2.11 Quarts)Classic SAE 50 Conventional Motor Oil, 2 Liters (2.11 Quarts) by Motul USA®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers...$112.30
- Royal Purple®API-Licensed™ Straight Grade Heavy Duty SAE 50 Synthetic Motor OilAPI-Licensed™ Straight Grade Heavy Duty SAE 50 Synthetic Motor Oil, 1 Quart by Royal Purple®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology...$9.68 - $59.94
- Trans-Dapt®Ported Throttle Body Spacer GasketGMC B-Series 5.7L Chevy Small Block 1991, Ported Throttle Body Spacer Gasket by Trans-Dapt®. Make your vehicle faster and more powerful with premium-quality performance fuel system parts stocked on our website. Manufactured using the...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$9.20
- VP Racing Fuels®Traditional™ SAE 60W Conventional Racing Motor Oil, 1 QuartTraditional™ SAE 60W Conventional Racing Motor Oil, 1 Quart by VP Racing Fuels®. VP Traditional Non-Synthetic Racing Oils are designed for use in high-performance competition engines under extreme load, torque, and high-temperature...$14.40
- VP Racing Fuels®VP EX HP Hi-Performance SAE 0W-50 Full Synthetic Racing Motor Oil, 1 QuartVP EX HP Hi-Performance SAE 0W-50 Full Synthetic Racing Motor Oil, 1 Quart by VP Racing Fuels®. VP EX HP Hi-Performance Racing Oil SAE 0W-50 is a full synthetic, wide viscosity racing oil that provides outstanding high and...$19.80
- VP Racing Fuels®VP Nitro High Performance SAE-70W Conventional Racing Motor Oil, 1 QuartVP Nitro High Performance SAE-70W Conventional Racing Motor Oil, 1 Quart by VP Racing Fuels®. VP Nitro Hi Performance Racing Oil SAE 70 is designed for use in high-performance competition engines under extreme load, torque and...$15.30
- Valvoline®VR1 Racing™ SAE 50 Conventional Motor Oil, 1 QuartVR1 Racing™ SAE 50 Conventional Motor Oil, 1 Quart by Valvoline®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind....$9.50
- WVE®Idle Air Control ValveGMC B-Series 6.0L 1991, Idle Air Control Valve by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$226.07
- Milodon®Complete Engine Bolt Kit without Head BoltsGMC B-Series 6.0L With Chevy Big Block Engine 1991, Complete Engine Bolt Kit without Head Bolts by Milodon®. All The Fasteners You Need To Build A Performance Engine! These race quality fasteners are all you need to keep your...Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology$124.95
- Milodon®Gear Drive Bolt PackGMC B-Series 6.0L with Chevy Big Block Engine 1991, Gear Drive Bolt Pack by Milodon®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind....Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology$25.95
- Milodon®Idler RetainerGMC B-Series 6.0L with Chevy Big Block Engine 1991, Idler Retainer by Milodon®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...Painstakingly designed to meet your racing needsState-of-the-art manufacturing technology$31.95
- PAC Racing Springs®RPM Series Valve Spring SetGMC B-Series 6.0L 1991, RPM Series Valve Spring Set by PAC Racing Springs®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$294.00
- Clevite®P-Series Crankshaft Main Bearing SetGMC B-Series 6.0L 1991, P-Series Crankshaft Main Bearing Set by Clevite®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$61.27
- SCE Gaskets®Pro Seal Composite Cylinder Head GasketGMC B-Series 5.7L 1991, Pro Seal Composite Cylinder Head Gasket by SCE Gaskets®. Here's an effective solution for providing excellent sealing in high performance street and mild competition applications. SCE's unique Pro Seal composite...Perfect solution for racing and high-performance engine applicationsManufactured using advanced engineering and on-track testing$17.64
- QualCast®Steel Expansion Plug KitGMC B-Series 1991, Steel Expansion Plug Kit by QualCast®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...Made from high-strength materials for uncompromising durabilityDesigned to provide an excellent combination of price and quality$7.29
- Brad Penn®Racing™ SAE 50 Conventional Motor Oil, 1 QuartRacing™ SAE 50 Conventional Motor Oil, 1 Quart by Brad Penn®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It...$12.07
- Brad Penn®Racing™ SAE 70 Conventional Motor Oil, 1 QuartRacing™ SAE 70 Conventional Motor Oil, 1 Quart by Brad Penn®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It...$11.74
- Driven Racing Oil®Synthetic High Performance Supercharger Oil, 8 ozSynthetic High Performance Supercharger Oil, 8 oz by Driven Racing Oil®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in...Made to provide the perfect lubricant solution for your needsDesigned with innovative manufacturing techniques$28.12
- Kendall®Motor OilMotor Oil, 1 Quart by Kendall®. Kendall GT-1 Competition Motor Oil, Nitro 70, is a high-quality automotive engine oil specially formulated for use in nitromethane- and alcohol-fueled drag racing vehicles. It is not recommended for use...$5.47 - $6.32
- Kendall®Motor OilMotor Oil, 1 Quart by Kendall®. Kendall GT-1 Competition Motor Oil, Nitro 70, is a high-quality automotive engine oil specially formulated for use in nitromethane- and alcohol-fueled drag racing vehicles. It is not recommended for use...$5.47 - $6.32
- Motorcraft®SAE 5W-50 Full Synthetic Motor Oil, 1 QuartSAE 5W-50 Full Synthetic Motor Oil, 1 Quart by Motorcraft®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will...$11.82