1968 GMC C25/C2500 Suburban Performance Engines

Essential 1968 GMC C25/C2500 Suburban Performance Engines

Spectre – Water Neck; Chevy V8 Late (Part No.42313)

Water Neck; Chevy V8 Late

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$19.99
Spectre’s Chevrolet V8 water neck fits 1966 – 1995 Chevy V8 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck includes the bolts.

Product Features:
  • Fits 1966 – 1995 Chevy V8 engines
  • Includes bolts
  • Chrome plated
  • Designed for OEM fit
  • Easy to install
  • O-ring/gasket not included
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Edelbrock – Water Pump Big-Block Chevy Standard/Long in Polished Finish (Part No.8861)

Water Pump Big-Block Chevy Standard/Long in Polished Finish

from

$475.99
Maximum cooling for street and racing engines. Internal passages are balanced for maximum flow. Impeller is larger than others for maximum pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block. Only flows in one direction for optimum efficiency. In the early days of the automotive performance industry, you either ran what was available, or you fabricated something you thought met your needs. Such needs were the building blocks of this industry, and it was through the efforts of many that we have the automotive aftermarket, but it was through the work of one name in particular to which many in the industry owe a great debt, and that name is Edelbrock.

Product Features:
  • Maximum Cooling for Street and Racing Engines
  • Internal Passages Are Balanced for Maximum Flow
  • Impeller is Larger than Others For Max Pressure
  • Impeller Vanes Dramatically Increase Flow Rates
  • Equal Distribution to Both Sides of Block
  • Only Flows in One-Direction for Optimum Efficiency
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1004)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

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$52.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fel-Pro Performance head gaskets accommodate the high cylinder pressures and cylinder head movement associated with performance engines.
  • Inserted within a stainless steel armor surrounding each cylinder, wire ring design provides highly concentrated sealing around the combustion chamber.
  • Raises combustion sealing force to roughly three times that of standard head gaskets.
  • Steel wire rings for the greatest combustion seal strength.
  • Not intended for use in emission controlled vehicles.
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Mr. Gasket – TIMING COVER SEAL (Part No.17)

TIMING COVER SEAL

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$25.99
TIMING COVER SEAL

Mr. Gasket – Special Cam Bolt (Part No.944G)

Special Cam Bolt

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$12.99
Grade 8, single bolt. Black plated finish. The washers are designed to secure the Mr. Gasket cam button pn1180, pn1181, and pn1183 or can be used as stock replacements.

Product Features:
  • Specialty and drive train fastener
  • Special cam bolts
  • Black plated finish
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Edelbrock – TIMING CHAIN (Part No.7844)

TIMING CHAIN

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$29.99
Product Features:
  • Timing Chain Only
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Mr. Gasket – Intake Manifold Bolts (Part No.957G)

Intake Manifold Bolts

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$21.99
Choose from grade 5 hex or socket head intake bolts or grade 8 bolts with twelve point smaller-than-standard head and flange, ideal for where space is minimal. Bolts and washers are bright zinc plated for protection and appearance.

Product Features:
  • Grade 8 material
  • Extra thick flat washers
  • Ideal for minimal space
  • 12-pt head and flange
  • Zinc plated for protection
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Mr. Gasket – Oil Pan Gasket (Part No.6663G)

Oil Pan Gasket

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$61.99
Manufactured from high-density cork and rubber blend gasket material. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For OE replacement and high performance street.

Product Features:
  • One-piece design
  • Eliminates potential leaks
  • Prevents over tightening
  • Prevents torque loss
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Edelbrock – Pushrod Set for S/B Chevy (Part No.9629)

Pushrod Set for S/B Chevy

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$187.99


Product Features:
  • Case-Hardened Tubing
  • Surface Hardening
  • Welded Ends
  • 0.3125 in. Diameter
  • Use with or without Hardened Steel Guideplates
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Mr. Gasket – Ultra Seal; Competition Screw-In Rocker Arm Studs (Part No.1074)

Ultra Seal; Competition Screw-In Rocker Arm Studs

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$73.99
This stud uses heat treated grade 8 alloy steel. The enlarged radius base provides extra strength for a more durable stable shank. Black plated finish. Fits Chevy small block and Ford small block.

Product Features:
  • Heat-treated
  • Grade 8 alloy steel
  • Ex strength enlarged radius
  • More durable/stable shank
  • Prevents stud flexing
  • Black plated finish
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Mr. Gasket – Throttle Cable Bracket (Part No.9885)

Throttle Cable Bracket

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$14.99
The throttle cable bracket is designed for small block Chevy engines thru 1979 and is to be used in conjunction with the kick down cable Pn9886 for the Turbo 350 transmission. The throttle cable bracket mounts on the intake manifold and will hold cables with round or square mounts. It has a 2 inch adjustable range and is finished off in a beautiful chrome plating.

Product Features:
  • 2 in. adjustable range
  • Includes necessary hardware
  • Chrome plated
  • Individually packaged
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Edelbrock – Performer; Cylinder Head (Part No.60469)

Performer; Cylinder Head

from

$569.99


Product Features:
  • Out-of-the-Box Bolt-On Performance
  • Designed For Street/High Performance Big Blocks
  • Specially Designed Oval Ports
  • Increased Flow And Velocity
  • Highly Efficient Semi-Open Style Chamber
  • High Velocity Short Intake Ports
  • Fit GM Mark IV; Gen V; and Gen VI Blocks
  • Bare Head Only; Use PN[60479] for Complete
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Mr. Gasket – Ultra Seal; Harmonic Balancer Bolt/Washer Kit (Part No.946G)

Ultra Seal; Harmonic Balancer Bolt/Washer Kit

from

$25.99
The grade 8 bolts feature high hex head to prevent socket slippage. The thick parallel ground washer allows accurate uniform torque. Black finished, complete with split lock washer to prevent loosening.

Product Features:
  • These are have a zinc dichromate finish
  • Tall hex head bolt to prevent slippage
  • Extra thick parallel ground washer
  • Washers provides more accurate and uniform torque
  • Grade 8 alloy steel
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Spectre – Engine Dress Steel Up Kit (Part No.54083)

Engine Dress Steel Up Kit

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$119.99
Spectre’s Engine Dress-Up Kit was designed for the ’58-’86 Chevrolet small block 265-400. This kit includes: stock height baffled covers, chrome T-bar hold downs, chrome PCV breather, chrome breather, chrome oil filler cap, grommets, and a stainless steel braided PCV hose with red/blue Magna-Clamps. Designed for use with OE specifications for fit and function, Spectre products are engineered to perform as good as they look.

Product Features:
  • For Chevrolet small block 265 and 400
  • Kit includes: stock height baffled covers, chrome T-bar hold downs, chrome PCV breather, chrome breather, chrome oil filler cap, grommets, and a stain
  • Designed for use with OE specifications for fit and function
  • Made from high quality material
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Mr. Gasket – Water Outlet Gasket (Part No.738G)

Water Outlet Gasket

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$30.99
Manufactured from a blend of nitrile rubber and fiber for excellent sealing and durability. Precision die cut for application.

Product Features:
  • Edge molded rubber water outlet gasket is reusable
  • Requires no gasket sealer
  • Solid aluminum carrier for strength/rigidity
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Mr. Gasket – Ultra Seal; Cylinder Head Bolts (Part No.941G)

Ultra Seal; Cylinder Head Bolts

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$64.99
These grade 8 alloy, longer length bolts allow increased torque and clamping.

Product Features:
  • Cylinder head bolts
  • Longer-than-stock
  • High quality grade 8 alloy
  • Increase torque settings
  • Higher clamp loads on gasket
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FEL-PRO Performance – Lower Intake Manifold Gasket Set: 9 Piece Set (Part No.1212)

Lower Intake Manifold Gasket Set: 9 Piece Set

from

$27.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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FEL-PRO Performance – Lower Intake Manifold Gasket Set: 1 Piece (Part No.1257)

Lower Intake Manifold Gasket Set: 1 Piece

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$26.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Edelbrock – C-26 Dual-Quad; Intake Manifold (Part No.54251)

C-26 Dual-Quad; Intake Manifold

from

$640.99


Product Features:
  • Polished PN[5425] Hand-Buffed for Brilliant Shine
  • Designed for 1500 to 6500 RPM Performance
  • Low Profile for Hood Clearance on Most Vehicles
  • Air-Conditioning / Front Oil Tube Bosses Included
  • Stock Alternator Brackets Do Not Fit
  • Use Edelbrock Fuel Line Kit PN[8088] w/Our Carb
  • Carburetor Center-to-Center Dimensions = 6-7/16 in
  • Use Edelbrock Linkage Kit PN[7094] w/Our Carbs
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Edelbrock – Torker II Intake Manifold Small-Block Chevy (Part No.5001)

Torker II Intake Manifold Small-Block Chevy

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$267.99
2500-6500 RPM high-performance street engines. Single-plane low-rise intake good for high RPM. Ideal for applications with limited hood clearance. For top-end HP and adequate throttle response. Not for mileage or emissions applications. For trucks or vans use PN(2701) instead. Not for LT1 or Chevy bowtie heads. Not for 1987 and later stock aluminum heads. Available in cast or polished.

Product Features:
  • 2500 to 6500 RPM High Performance Street Engines
  • Single-Plane Low-Rise Intake Good for High RPM
  • Ideal for Applications with Limited Hood Clearance
  • For Top-End HP and Adequate Throttle Response
  • Not for Mileage or Emissions Applications
  • For Trucks or Vans Use PN[2701] Instead
  • Not for LT1 or Chevy Bowtie Heads
  • Not for 1987 and Later Stock Aluminum Heads
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Mr. Gasket – Ultra Seal; Valve Cover Gasket Set (Part No.5863)

Ultra Seal; Valve Cover Gasket Set

from

$40.99
Creates a positive seal. Controlled swelling gasket. Thickness will not decrease. Eliminates re-torque of valves. High-tensile strength. Handles ex flange pressure and forms a leak proof seal. Black latex coating.

Product Features:
  • These are a cork rubber blend
  • Extra thick 5/16 in. creates positive seal
  • Also available in standard thickness
  • For OE replacement and high performance apps
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Mr. Gasket – Valve Cover Gasket Set (Part No.179)

Valve Cover Gasket Set

from

$35.99
Thick, molded rubber with steel carrier. Manufactured from high-density cork and rubber blend gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor flange irregularities and eliminate the possibility of oil leakage. Creates a positive seal by controlled swelling of the gasket material when exposed to hot engine oil. Available in standard or extra thick to provide additional valve train to cover clearance. For OE replacement, high performance street, drag race and oval track.

Product Features:
  • Provides excellent flange sealing and durability
  • For high perf street drag race oval track
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B & M – Torque Converter, Nitrous Holeshot 3600 (Part No.20482)

Torque Converter, Nitrous Holeshot 3600

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$563.99
Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.

Product Features:
  • 3400-3800 RPM
  • Small And Big Blocks
  • Serious Performance
  • Furnace Brazed
  • Fully Balanced
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B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)

Torque Converter, Nitrous Holeshot 3000

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$696.99
Nitrous Holeshot Converters are Built with the same features as the other B&M Holeshots, with the addition of anti-balloon plates. The anti-balloon plates will allow these converters to stand up to the instant horsepower nitrous delivers.

Product Features:
  • 2800-3200 RPM
  • Small And Big Blocks
  • Serious Performance
  • Furnace Brazed
  • Fully Balanced
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Edelbrock – Sure Seat Valve Springs for Chevy 262-400 V8 1957-95 (Part No.5802)

Sure Seat Valve Springs for Chevy 262-400 V8 1957-95

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$60.99
Springs made of highest quality spring wire. Springs precision wound to close tolerances. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • For Use With Cast Iron Heads
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Use with Original Equipment Heads Only
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Edelbrock – Sure Seat; Valve Spring (Part No.5902)

Sure Seat; Valve Spring

from

$51.99
Springs made of highest quality spring wire. Springs precision wound to close tolerances. Non-Rotator style: Dyno tested and street proven. Great match to Edelbrock camshaft kit.

Product Features:
  • For Use With Cast Iron Heads
  • Springs Made of Highest Quality Spring Wire
  • Springs Precision Wound To Close Tolerances
  • Use with Original Equipment Heads Only
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FEL-PRO Performance – PERFORMANCE REAR MAIN SEAL SET (Part No.2904)

PERFORMANCE REAR MAIN SEAL SET

from

$16.29
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2918)

Engine Crankshaft Seal Kit

from

$42.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Fluoroelastomer compound combines optimum resistance to heat, oils and abrasion for longivity.
  • Optimizes performance under high crankcase vacuum conditions, elevated temperatures and high RPM levels.
  • Not intended for use in emission controlled vehicles.
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1968 GMC C25/C2500 Suburban Performance Engines

Maybe you’re in the middle of a full rebuild of that 1968 GMC C25/C2500 Suburban. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 75 different Performance Engines in our inventory ranging from $12.99 to $1,268.99. That means you can find the exact parts or products you need to keep that 1968 GMC C25/C2500 Suburban running smoothly.

Performance Engines are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 1968 GMC C25/C2500 Suburban. Mr. Gasket, FEL-PRO Performance, and Edelbrock are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Performance Engines for your 1968 GMC C25/C2500 Suburban, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 115 reviews in this category, some of the top rated parts include Engine Dress Steel Up Kit with 4.5 stars and Cylinder Head Gasket: Steel Core Composite, Without Head Bolts with 5.0 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1968 GMC C25/C2500 Suburban rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Performance Engines Brands To Make Your 1968 GMC C25/C2500 Suburban Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1968 GMC C25/C2500 Suburban demands trusted brand parts and products to keep it running. Many trusted brands of Performance Engines make up Advance Auto Parts’ inventory, and all are ready to help make your C25/C2500 Suburban the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Top 1968 GMC C25/C2500 Suburban Performance Engines from Mr. Gasket

Mr. Gasket products are another trusted brand when it comes to Performance Engines for your 1968 GMC C25/C2500 Suburban. Popular Mr. Gasket parts include:
Ultra Seal; Valve Cover Gasket Set
from $25.99
(7)
Ultra Seal; Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets
Water Outlet Gasket
from $30.99
(6)
Water Outlet Gasket
Performance Water Outlet Gaskets
Intake Manifold Bolts
from $29.99
(5)
Intake Manifold Bolts
Performance Intake Manifolds

FAQs for 1968 GMC C25/C2500 Suburban Performance Engines

What are the most purchased Performance Engines for the 1968 GMC C25/C2500 Suburban?

Out of 75 Performance Engines for the 1968 GMC C25/C2500 Suburban, the most popular in our inventory are:
Lower Intake Manifold Gasket Set: 9 Piece Set
from $27.49
This product is not rated
Lower Intake Manifold Gasket Set: 9 Piece Set
Performance Engine Intake Manifold Gaskets
Ultra Seal; Valve Cover Gasket Set
from $35.99
(2)
Ultra Seal; Valve Cover Gasket Set
Performance Engine Valve Cover Gasket Sets
Action Plus Water Pumps
from $215.99
(3)
Action Plus Water Pumps
Performance Engine Water Pumps

What are the top-rated 1968 GMC C25/C2500 Suburban Performance Engines?

Top-rated Performance Engines for your 1968 GMC C25/C2500 Suburban based on customer reviews/ratings are:
Engine Dress Steel Up Kit
from $119.99
(2)
Engine Dress Steel Up Kit
“fast shipping , look good , have not installed them yet”
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $62.99
(1)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
“Have not had a chance to install, but have used FelPro in the past with good results.”
Water Neck; Chevy V8 Late
from $19.99
(1)
Water Neck; Chevy V8 Late
“nice bolts”