2000 GMC Yukon XL 2500 Valve Cover and Cylinder Heads

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

• PermaTorque head gaskets meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit

Edelbrock part No. 7356 head gasket is intended for late model, Gen V and VI, 502 Big Block Chevrolet engines. This gasket comes as a set and has a 4.540″ bore size, .039″ compressed thickness and a 10.500cc volume.

Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Validated for fit, form and function
• Unsurpassed quality you can trust

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

• Meets or exceeds all original equipment specifications
• Design to ensure a perfect fit
• Engineered and manufactured specifically for the repair environment
• Unsurpassed quality you can trust
• Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes

Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:

• All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
• All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
• All threads and machined surfaces are and repaired with technology that exceeds the original metal
• Non-sealing iron surfaces painted to prevent oxidization

Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:

• All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
• All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
• All threads and machined surfaces are and repaired with technology that exceeds the original metal
• Non-sealing iron surfaces painted to prevent oxidization

ACDelco GM Original Equipment Engine Valve Lifters automatically help maintain a ‘zero’ valve lash condition to help prevent valve train noise and unnecessary valve train component wear, and are GM-recommended replacements for your vehicle’s original components. These original equipment valve lifters have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

• Adjusts the valves on your vehicle’s engine for proper performance
• GM-recommended replacement part for your GM vehicle’s original factory component
• Offering the quality, reliability, and durability of GM OE
• Manufactured to GM OE specification for fit, form, and function

Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

• Unsurpassed quality that you can trust
• Uses leading edge materials
• State-of-the-art manufacturing
• Exacting tolerances
• Meets or exceeds OEM specifications

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:

• PROPRIETARY COATING – Nonstick anti-friction coating seals small surface scratches and imperfections
• SEALING TECHNOLOGIES – Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
• NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
• STRONG AND DURABLE – Features graphite or reinforced fiber facing material and steel armor for strength and durability
• DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces

Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

Sealed Power┬« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

• State-of-the-art manufacturing
• Exceptional material quality
• Exacting tolerances
• Heat treated tips
• Stock or mild modified replacement
• Made in USA

GM Genuine Parts Engine Valve Lifter Guide are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

Product Features:

• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies

These hardware assemblies were developed specifically for Holley Tall LS valve covers and are available as a single service component or a full set of 8. Each assembly features a polished Holley Tall LS valve cover bolt (M6 x 1.0 threads), an aluminum spacer, and an OE style LS valve cover grommet.

Product Features:

• Replacement for Holley Tall LS Valve Cover extended length hardware assemblies only
• Torque mounting bolts to 106 in/lb (9 ft/lb)

These hardware assemblies were developed specifically for Holley Tall LS valve covers and are available as a single service component or a full set of 8. Each assembly features a polished Holley Tall LS valve cover bolt (M6 x 1.0 threads), an aluminum spacer, and an OE style LS valve cover grommet.

Product Features:

• Replacement for Holley Tall LS Valve Cover extended length hardware assemblies only
• Torque mounting bolts to 106 in/lb (9 ft/lb)

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
• Validated for fit, form and function
• Unsurpassed quality you can trust

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
• Validated for fit, form and function
• Unsurpassed quality you can trust

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
• Head bolt replacement recommended.
• Torque-to-yield bolts are designed so that they can be elongated beyond their elastic limit into the plastic region without problems.
• When a specific tightening torque has been reached, the bolts are turned further through a defined angle, which pre-loads them into the plastic region. Consequently, no retorquing is necessary.

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust.

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
• Validated for fit, form and function
• Unsurpassed quality you can trust

Sealed Power parts provide innovative designs, use leading-edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

• Unsurpassed quality that you can trust
• Uses leading edge materials
• State-of-the-art manufacturing
• Exacting tolerances
• Meets or exceeds OEM specifications

Sealed Power┬« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:

• Unsurpassed quality that you can trust
• Uses leading edge materials
• State-of-the-art manufacturing
• Exacting tolerances
• Meets or exceeds OEM specifications

Holley’s cast aluminum valve covers for GM LS engines provide a fresh, refined look without the need to relocate the coils. There’s no question the factory “coil on cover” design gives the LS that signature high-tech look, but the factory brackets and coil location leave room for improvement. Clean up that signature look with Holley’s LS Valve Covers! They incorporate a radiused shape, angled coil mounting, and a billet fill cap. Plus, the coils mount directly to the cover with no need for a bracket in-between. They fit most popular LS series engines and come in Black Krinkle, Satin, Natural Cast, and Polished. Or, paint to match your vehicle’s theme!

Product Features:

• Angled coil mounts deliver a smooth clean look
• Retain the high-tech look and performance of “coil on cover”
• Eliminates unsightly OE style coil brackets
• Billet aluminum oil fill cap
• Reuses original gaskets and bolts
• Fits all LS engines using LS2, LS3, LS7 or similar coils with 72mm bolt spacing
• Clearance for .750″ lift cam with stock style rocker arms
• Holley’s LS covers use proven OE style baffles and vents
• Also available in satin black & polished

Based on our existing tall LS valve covers, the GM Licensed Tall LS valve covers eliminate the factory coil-on-cover look and instead feature prominent, cast-in graphics that are sure to dress up your engine bay and represent your loyalty to your favorite OEM brand.

Product Features:

• Eliminates the OE coil-on-cover look and instead features a bold, officially licensed Chevrolet/Bowtie logo
• Designed to add an additional 0.54″ of internal clearance over factory height valve covers
• Includes lengthened factory style mounting hardware, a proven OE style baffle and ventilation system, and a billet aluminum oil fill cap
• Designed to fit GM LS1, LS2, LS3, LS6 and LS7 engines
• Requires the use of remote coil location brackets – Holley has offerings for all popular LS coil applications
• Does not include a replacement LS valve cover gasket, though replacements may be necessary over time
• Available in five unique finishes

This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.

Product Features:

• Direct replacement – this valve cover matches the original equipment part for fit and function
• Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking
• Cost-effective solution – offers original equipment performance at competitive price
• Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service

Holley’s tall LS valve covers are the latest addition to our extensive line of LS engine components that will add a custom touch to your engine bay and help you to stand out from the crowd. These valve covers were designed to add an additional 0.54″ of internal clearance over factory height valve covers. These valve covers retain Holley’s signature integrated angled coil mounts, and the hi-tech look and performance of coil-on-cover applications. The Holley tall LS valve covers fit LS1, LS2, LS3, LS6 and LS7 engines using coils with a standard LS3 bolt spacing of 72mm (coils not included). These valve covers come ready for installation with an OE style baffle and ventilation system, lengthened factory style mounting hardware, plus a billet aluminum oil fill cap.

Product Features:

• Angled coil mounts deliver a smooth clean look
• Retain the high-tech look and performance of “coil on cover”
• Eliminates unsightly OE style coil brackets
• Billet aluminum oil fill cap
• Reuses original gaskets and bolts
• Fits all LS engines using LS1, LS2, LS3, LS6 and LS7 or similar coils with spacing 72mm bolt spacing
• Designed to add an additional 0.54″ of internal clearance over factory height valve covers
• Holley’s LS covers use proven OE style baffles and vents
• Available in polished, satin black, gloss red and natural cast

Holley’s new 2-Piece LS valve covers are a great way to update the look of your LS engine without the use of complicated adapter systems or the hassle of remote coil relocation. These modular LS valve covers feature an OE height, internally baffled LS valve cover base with integrated coil mounts for popular Gen I and Gen V style LS coil bodies (coils not included), and a vintage style finned overcover that hides the unsightly LS coils and messy wiring harness – allowing the full performance benefits of coil-on-cover ignition setups without the robotic styling. Each modular coil cover features a simplified version of our Vintage Series style fins that seamlessly blends with other finned Holley dress-up accessories such as our LS valley covers and 14″ round air cleaners. The coil cover also features cast-in provisions for the spark plug boots and coil wiring harness so no extensions or custom wiring is required.

Product Features:

• Cast aluminum 2-Piece LS valve covers designed to mount and hide both Gen I and Gen V style LS coil bodies
• Retain the performance of factory coil-on-cover ignition without the unsightly styling
• Base fits LS1, LS2, LS3, LS6 and LS7 engines
• Base features internally baffled ventilation system
• Clearance for .750″ lift cam with stock style rocker arms
• Coil cover features Holley vintage style fins and cast-in wiring provisions
• No coil relocation, wire harness extensions, or custom spark plug wires required
• Includes low-profile billet oil fill cap
• Includes all necessary coil mounting and dress-up hardware

This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.

Product Features:

• Direct replacement – this valve cover matches the original equipment part for fit and function
• Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking
• Cost-effective solution – offers original equipment performance at competitive price
• Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service

Holley’s tall LS valve covers are the latest addition to our extensive line of LS engine components that will add a custom touch to your engine bay and help you to stand out from the crowd. These valve covers were designed to add an additional 0.54″ of internal clearance over factory height valve covers. The valve covers retain Holley’s signature integrated angled coil mounts, and the hi-tech look and performance of coil-on-cover applications. The Holley tall LS valve covers fit LS1, LS2, LS3, LS6 and LS7 engines using coils with a standard LS3 bolt spacing of 72mm (coils not included). These valve covers come ready for installation with an OE style baffle and ventilation system, lengthened factory style mounting hardware, plus a billet aluminum oil fill cap.

Product Features:

• Angled coil mounts deliver a smooth clean look
• Retain the high-tech look and performance of “coil on cover”
• Eliminates unsightly OE style coil brackets
• Billet aluminum oil fill cap
• Reuses original gaskets and bolts
• Fits all LS engines using LS1, LS2, LS3, LS6 and LS7 or similar coils with spacing 72mm bolt spacing
• Designed to add an additional 0.54″ of internal clearance over factory height valve covers
• Holley’s LS covers use proven OE style baffles and vents
• Available in polished, satin black, gloss red and natural cast

These adapter plates feature an integrated oil fill and are pre-threaded for PCV ventilation fittings. Simply install the LS valve cover adapter plate onto your GM LS1, LS2, LS3, LS6, or LS7 engine to serve as your true valve cover, install the coil packs on top and route the wiring harness and spark plug wires into their designated locations, and use a perimeter bolt SBC valve cover of your choice to hide the unsightly coils without the need for any coil relocation and retention of all the benefits of OE style coil-on-plug mounting.

Product Features:

• Constructed of Cast Aluminum
• Available in three finishes (Natural Cast, Black Painted, and Polished Finish)
• Includes all mounting hardware that allows mounting of three different generations of coil packs
• Allows installation of LS style valve covers onto Chevy small block engines