1968 GMC K15/K1500 Pickup Performance Engines

Essential 1968 GMC K15/K1500 Pickup Performance Engines

Edelbrock – Sure Seat Valve Springs for Oldsmobile 330-403 V8 1967-1984 (Part No.5812)

Sure Seat Valve Springs for Oldsmobile 330-403 V8 1967-1984

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$80.99
Complete kit includes retainers and locks. Springs made of highest quality spring wire. Springs precision wound to close tolerances. Includes superior quality steel retainers. Includes 7 degree heat-treated valve stem locks. Retainers and locks black oxide coated. 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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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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Mr. Gasket – Ultra Seal; Competition Screw-In Rocker Arm Studs (Part No.1074)

Ultra Seal; Competition Screw-In Rocker Arm Studs

from

$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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Edelbrock – Performer-Link Adjustable True-Roller Timing Chain Set (Part No.7810)

Performer-Link Adjustable True-Roller Timing Chain Set

from

$74.99


Product Features:
  • Solid Bushing Chain Resists Stretching
  • For Use with Stock or Edelbrock Camshafts
  • Stressproof Steel Crank Gears
  • 3 Keyway Setting Points To Ensure Accurate Timing
  • True Bearing Surface Rolls with the Sprockets
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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 – RPM Small-Block Chevy Cylinder Head SBC 70cc Hydraulic Flat Tappet Cam (Part No.60759)

RPM Small-Block Chevy Cylinder Head SBC 70cc Hydraulic Flat Tappet Cam

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$1014.99
Product Features:
  • 50-State Street Legal Aluminum Cylinder Head
  • Out-of-the-Box Bolt-On Performance
  • 70cc Combustion Chambers Improve Performance
  • Retain Stock Compression Ratio
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Mr. Gasket – Ultra Seal; Oil Pan Gasket (Part No.5884)

Ultra Seal; Oil Pan Gasket

from

$30.99
Manufactured from cellulose and nitrile composition gasket material. A black latex rubber coating is applied to outside of gasket to help seal minor oil pan rail irregularities and eliminate the possibility of oil leakage. Provides excellent sealing and durability. Complete with molded rubber front/rear oil pan seals where applicable. For OE replacement, high performance street, drag race and oval track.

Product Features:
  • Maxi-seal fiber material
  • Superior blow-out resistance
  • High-tensile strength
  • Reduces gasket splitting
  • Graphite non-wicking rubber
  • No cork particles
  • Easy removal for disassembly
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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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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; 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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Edelbrock – C-26 Small Block Chevy Dual-Quad Intake Manifold (Part No.5425)

C-26 Small Block Chevy Dual-Quad Intake Manifold

from

$504.99
Product Features:
  • Designed for 1500 to 5500 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 Carbs
  • Carburetor Center-to-Center Dimensions = 6-7/16 in
  • Use Edelbrock Linkage Kit PN[7094] w/Our Carbs
  • Best Matched with Edelbrock 500 cfm Carburetors
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FEL-PRO Performance – Cylinder Head Gasket: Steel Core Composite, Without Head Bolts (Part No.1025)

Cylinder Head Gasket: Steel Core Composite, Without Head Bolts

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$72.99
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.18)

Timing Cover Seal

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$16.99
Mr. Gasket manufactures a variety of performance parts and accessories, including carburetor and fuel accessories, cooling system accessories, engine components, fasteners, gaskets, and suspension and drive line components. Besides gaskets and fasteners, the Mr. Gasket brand provides a variety of performance and racing products for all parts of your vehicle including: carburetor and fuel accessories, chrome-plated accessories, cooling system accessories, engine components, ignition and electrical accessories, shifter accessories, specialty tools and suspension and driveline components. Mr .Gasket also includes Ultra-Seal gaskets and fasteners.

Product Features:
  • Nitrile rubber and high density cork
  • Will not shrink or stick
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Mr. Gasket – Valve Cover Gasket Set (Part No.585G)

Valve Cover Gasket Set

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$25.99
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:
  • Features nitrile rubber material for long life
  • Molded rubber gaskets are reusable
  • Ideal for engine requiring valve lash maintenance
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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

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$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 – Engine Crankshaft Seal Kit (Part No.2900)

Engine Crankshaft Seal Kit

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$21.49
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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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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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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Spectre – Engine Dress Steel Up Kit (Part No.5404)

Engine Dress Steel Up Kit

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$139.99
Spectre’s chrome engine kits are designed to give the top of your engine an amazing look in one neat package. This chrome engine kit includes chrome valve covers, chrome valve cover bolts, a chrome dip stick and a chrome plated timing cover.

Product Features:
  • Chrome valve covers
  • Chrome valve cover bolts
  • Chrome dip stick and tube
  • Chrome timing cover
  • Dresses up the engine
  • Triple plated chrome
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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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Edelbrock – Water Pump Big-Block Chevy Short/Standard in Black Finish (Part No.88503)

Water Pump Big-Block Chevy Short/Standard in Black Finish

from

$402.99
Edelbrock #88503 Water Pump big block Chevy short black ideal to prevent overheating in street rods and street machines, as well as in tow rigs and motorhomes. Using state-of-the-art racing technology, Edelbrock has designed these “super cooling” Water Pu

Product Features:
  • Standard Impeller Rotation
  • 0.625 in. Pilot Shaft
  • 0.750 in. Ball/Ball Bearing
  • 5.750 in. Block To Hub Height
  • Black Finish
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Weiand – Action Plus Water Pumps (Part No.9240P)

Action Plus Water Pumps

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$215.99
Weiand’s light weight, performance aluminum mechanical Action-Plus water pumps give a weight saving of 30 percent to 50 percent over stock cast-iron pumps. These pumps feature a premium quality bearing and seal that have twice the load capacity of stock pumps. Weiand’s exclusive housing counter bore keeps the bearing form walking out. All pumps are designed with the necessary bracket bosses and water connections to fit popular street applications.

Product Features:
  • Twisted Snout Water Pump Design For Updated Style
  • Street Performance
  • Heavy Duty Shaft w/5/8 in. Pilot
  • Six-Blade Stamped Steel
  • Anti-Cavitation Impeller
  • 100 Percent Leak Tested
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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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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 – Traveler Converter (Part No.30423)

Traveler Converter

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$375.99
Torque Converter – Traveler Converter (SUV and Light Truck) for GM 1968 to 1981 TH350, TH375B APPLICATION: GM 1968 to 1981 TH350, TH375B (6) (will not fit TH-350C) Provides slightly higher stall speed than stock to improve pulling power at low speeds. New

Product Features:
  • Ideal For Motor Homes
  • Ideal For Towing Applications
  • Precision Pump Drive Tube
  • Heavy Duty Needle Bearings
  • Furnace Brazed
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B & M – Tork Master 2000 (Part No.20400)

Tork Master 2000

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$266.99
Torque Converter – Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) APPLICATION: Tork Master 2000 for GM 1965 to 1991 TH400, 425, 375 and 1968 to 1981 TH350, 375B (not 350C) The Tork Master is B&M’s lowest cost

Product Features:
  • New Precision Pump Drive Tube
  • Pressure Tested
  • Fully Balanced
  • Needle Thrust Bearing
  • New Thrust Washer
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B & M – Torque Converter, Nitrous Holeshot 3000 (Part No.20481)

Torque Converter, Nitrous Holeshot 3000

from

$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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Spectre – Aluminum Flywheel Dust Shield (Part No.5462)

Aluminum Flywheel Dust Shield

from

$81.99
Spectre’s transmission cover for Chevy and GM TH350 transmissions is a great looking cover to help protect your flex plate while on the road. This cover is designed to fit GM and Chevy engines that have the starter on the passenger side. It has a 3-7/8 inch start slot to accommodate the majority of starters. This cover will not work on Pontiac or Oldsmobile engines.

Product Features:
  • Polished aluminum
  • For GM TH350 transmissions
  • For Chevy and GM engines with the starter on the passenger side
  • Has a 3-7/8 inch starter slot
  • Does not fit Pontiac or Oldsmobile engines
  • Easy to install with no special tools or skills required
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1968 GMC K15/K1500 Pickup Performance Engines

Maybe you’re in the middle of a full rebuild of that 1968 GMC K15/K1500 Pickup. Maybe you just need a couple of Performance Engines. Either way, Advance Auto Parts has 99 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 K15/K1500 Pickup 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 K15/K1500 Pickup. 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 K15/K1500 Pickup, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 214 reviews in this category, some of the top rated parts include Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish with 5.0 stars and Action Plus Water Pumps with 3.7 stars.

So if you’re in the market for aftermarket Performance Engines to keep your 1968 GMC K15/K1500 Pickup 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 K15/K1500 Pickup Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1968 GMC K15/K1500 Pickup 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 K15/K1500 Pickup the best it can be. Be sure to browse some of our top Performance Engines brands and parts.

Popular FEL-PRO Performance Performance Engines

We carry FEL-PRO Performance parts in our stock across Performance Engine Cylinder Head Gaskets categories, plus more. For a 1968 GMC K15/K1500 Pickup, our most popular FEL-PRO Performance Performance Engines include:
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $62.99
(1)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $52.99
(1)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
from $39.49
(1)
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
Performance Engine Cylinder Head Gaskets

Top 1968 GMC K15/K1500 Pickup Performance Engines from Mr. Gasket

Mr. Gasket products are another trusted brand when it comes to Performance Engines for your 1968 GMC K15/K1500 Pickup. 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 K15/K1500 Pickup Performance Engines

What are the most purchased Performance Engines for the 1968 GMC K15/K1500 Pickup?

Out of 99 Performance Engines for the 1968 GMC K15/K1500 Pickup, 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
Engine Crankshaft Seal Kit
from $21.49
(2)
Engine Crankshaft Seal Kit
Performance Engine Main Bearing Gasket Sets

What are the top-rated 1968 GMC K15/K1500 Pickup Performance Engines?

Top-rated Performance Engines for your 1968 GMC K15/K1500 Pickup based on customer reviews/ratings are:
Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish
from $257.99
(3)
Performer Intake Manifold for 1955-86 Small-Block Chevy, Satin Finish
“Get the matching carb, increased HP by 50 points”
Action Plus Water Pumps
from $215.99
(3)
Action Plus Water Pumps
“I bought this item for my 1979 Camaro SBC for Street/Strip application. Water pump weighs 4 LBS less than factory, comes with its own cork gaskets. N”
Sure Seat Valve Springs for Chevy 262-400 V8 1957-95
from $60.99
(2)
Sure Seat Valve Springs for Chevy 262-400 V8 1957-95
“Used with the smallest Comp Thumpr Cam, good to 5500 RPM, Cost is great, No valve float. I would use again with a samll to medium cam and 416 heads.”