Cadillac Fleetwood Performance Engines

Your One-Stop Shop For Trusted Cadillac Fleetwood Performance Engines

If you’re in search of Cadillac Fleetwood Performance Engines aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 185 Performance Engines from top brands with prices ranging from $7.99 to $1,214.00.

Beyond great prices, we stock trusted brands manufacturing all types of Performance Engines for your Cadillac Fleetwood.

And don’t forget to read customer reviews across all Performance Engines categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Performance Engines have to cost top dollar, and we prove it. Browse our top Cadillac Fleetwood Performance Engines below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Please Select your Vehicle to See Exact Fit Parts

Essential Cadillac Fleetwood Performance Engines

Mr. Gasket – O-Ring Style Chrome Water Neck (Part No.2557)

O-Ring Style Chrome Water Neck

from

$32.49
Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:
  • Complete with o-rings and mounting bolts
  • Features an o-ring style seal to prevent water leaks
  • Chrome plated
  • 1/2″ NPT port can be used for various coolant temp related sensors or switches
See More

FEL-PRO Performance – PERFORMANCE OIL PAN GASKET SET (Part No.1886)

PERFORMANCE OIL PAN GASKET SET

from

$63.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Rigid core, molded silicone rubber gaskets utilize the one-piece molded rubber technology for a perfect fit, ease of installation and include compression limiters to prevent overtightening.
  • Not intended for use in emission controlled vehicles.
See More

Mr. Gasket – Ultra Seal: Harmonic Balancer Bolt/Washer Kit (Part No.945G)

Ultra Seal: Harmonic Balancer Bolt/Washer Kit

from

$15.49
This is a high quality bolt set that is made of grade 8 steel and will meet your requirements for a quality bolt set, this set will work on original equipment, high performance street, drag or circle track applications.

Product Features:
  • Has A Zinc Dichromate Finish
  • Made Of High Quality Grade 8 Steel
  • Has A Tall Hex Head To Prevent Wrench Slipping Off
  • Extra Thick Parallel Ground Washer
  • Washer Provides More Accurate And Uniform Torque
See More

Competition Cams – Mutha’ Thumpr 235/249 Hydraulic Flat Cam and Lifter Kit (Part No.CL12-601-4)

Mutha' Thumpr 235/249 Hydraulic Flat Cam and Lifter Kit

from

$963.99
SMALL BLOCK CHEVY HYDRAULIC CAM AND LIFTER KIT – Mutha’ Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.

Product Features:
  • Cam and lifter kit for Small Block Chevy engines
  • CL-Kit includes cam, lifters, assembly lube, instructions and decals
  • HYDRAULIC – Mutha’ Thumpr: High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
  • 287/305 Advertised Duration, 235/249 Duration @ .050″, .489″/.476″ Lift, 107 Lobe Separation
  • Valve spring upgrade required
See More

FEL-PRO Performance – Engine Crankshaft Seal Kit (Part No.2919)

Engine Crankshaft Seal Kit

from

$37.99
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.
See More

Competition Cams – Reduced Travel OE-Style Hydraulic Roller Lifter for ’87+ SBC, LT/LS and V6 (Part No.875-1)

Reduced Travel OE-Style Hydraulic Roller Lifter for '87+ SBC, LT/LS and V6

from

$39.99
Reduced Travel OE-Style Hydraulic Roller Lifter for ’87+ SBC, LT/LS and V6

Edelbrock – Sure Seat Valve Springs for S/B Chevy O.E Cast iron Cylinder Heads (Part No.5703)

Sure Seat Valve Springs for S/B Chevy O.E Cast iron Cylinder Heads

from

$69.99
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
See More

FEL-PRO Performance – Lower Intake Manifold Gasket Set: 3 Piece Set (Part No.1200)

Lower Intake Manifold Gasket Set: 3 Piece Set

from

$32.99
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
See More

FEL-PRO Performance – Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts (Part No.1003)

Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts

from

$42.49
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • PROPRIETARY COATING – Nonstick anti-friction coating seals small surface imperfections
  • NO RETORQUE DESIGN – Steel core helps eliminate the need for retorquing head bolts
  • SUPERIOR SEAL – Precise embossed Printoseal sealing beads at all vital areas to eliminate leak paths
  • 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
See More

B & M – Performance Torque Converter for GM TH400, 350, & 375 Transmissions (Part No.20400)

Performance Torque Converter for GM TH400, 350, & 375 Transmissions

from

$337.99
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
See More

Mr. Gasket – Intake Bolt Kit (Part No.5003)

Intake Bolt Kit

from

$89.99
Finish your custom engine job with these show quality grade 5 chromed 12-point bolts, includes AN washers which have no exposed shoulder for a professional appearance. Includes (12) 3/8-16 x 1 inch bolts with (12) 3/8 inch AN washers.

Product Features:
  • Chrome plated
  • Grade 8
  • 12-point head
  • AN washers with no exposed shoulder for a professional appearance
See More

Competition Cams – Thumpr 227/241 Hydraulic Roller Cam For Oe Roller Sbc (Part No.08-600-8)

Thumpr 227/241 Hydraulic Roller Cam For Oe Roller Sbc

from

$611.99
High performance street, stock converter ok, best with 2000+ converter and gears, choppy/thumping idle.

Product Features:
See More

Competition Cams – 10 Degree Steel Retainer for 26120 Beehive Spring (Part No.795-1)

10 Degree Steel Retainer for 26120 Beehive Spring

from

$10.99
10 Degree Steel Retainer for 26120 Beehive Spring

Competition Cams – Magnum 7.200" Long, .080" Wall, 5/16" Diameter Pushrod Set (Part No.7608-16)

Magnum 7.200" Long, .080" Wall, 5/16" Diameter Pushrod Set

from

$225.99
Magnum 7.200" Long, .080" Wall, 5/16" Diameter Pushrod Set

Competition Cams – High Energy Timing Set for ’65-’83 Oldsmobile 260-455 (Part No.3213)

High Energy Timing Set for '65-'83 Oldsmobile 260-455

from

$51.99
High Energy Timing Set for ’65-’83 Oldsmobile 260-455

Edelbrock – Performer Intake Manifold for 1987-95 Small-Block Chevy, Black Finish (Part No.21043)

Performer Intake Manifold for 1987-95 Small-Block Chevy, Black Finish

from

$487.99
Edelbrock part #21043 Performer intake manifold is designed for street 262-400 c.i.d. Chevy V8’s that have heads with canted center bolt holes, 1987-1995. This Manifold accepts late-model water neck, air-conditioning, alternator, H.E.I., has rear water cr

Product Features:
  • Idle-5500 RPM Range
  • Dual Plane Type-4150 Style Flange
  • 3.5 in. Front Height, 4.05 in. Center Height, 4.6 in. Rear Height
  • Black Powder Coated Finish
  • Made In The USA
See More

Competition Cams – VALVE SEALS, 11/32" TEFLON 1 ST (Part No.503-16)

VALVE SEALS, 11/32" TEFLON 1 ST

from

$223.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with .530″ guides and 11/32″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
See More

Competition Cams – Valve Seals, Umbrella 11/32" 1 St (Part No.502-16)

Valve Seals, Umbrella 11/32" 1 St

from

$230.99
COMP Cams offers a complete line of valve stem seals, from the umbrella seals to the positive-stop Teflon seal. These seals are a must to keep unwanted oil from entering the combustion chamber through the clearance in the valve guides. The umbrella seal is normally used when a larger-than-stock diameter spring is used, in the case of a double spring, the positive-stop Teflon seal is used. The umbrella seals require no machining, but with the Teflon seal it is necessary to disassemble the heads and machine the top of the guide with a special .530 diameter cutter. Whenever you are planning an engine overhaul or a cam change, don’t forget the valve seals.

Product Features:
  • Work with stock guides and 11/32″ valve stem diameter
  • Valve stem oil seals keep unwanted oil from entering the combustion chamber
  • Several different types of valve seals are offered
See More

Mr. Gasket – High Performance Thermostat (Part No.4365)

High Performance Thermostat

from

$32.49
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens At 195 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully Opens at Correct Temperature Consistently Regardless of Engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Mr. Gasket – High Performance Thermostat – 160 Degree Brass & Copper (Part No.4363)

High Performance Thermostat - 160 Degree Brass & Copper

from

$29.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.

Product Features:
  • Opens at 160 Degrees
  • Designed to Resist Large Variations of Coolant Pressure at High RPM
  • Fully opens at Correct Temperature Consistently Regardless of engine RPM
  • For High Performance Street, Drag Race, and Oval Track
  • Copper & Brass Construction – Resists Corrosion
  • High Flow
See More

Mr. Gasket – Ultra Seal: Competition Screw-In Rocker Arm Studs (Part No.1075)

Ultra Seal: Competition Screw-In Rocker Arm Studs

from

$109.99
Mr. Gasket competition screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel. Ideal for high performance street and race applications.

Product Features:
  • Black Oxide Coated Grade 8 Steel
  • Kit Contains 16 Studs
  • Easy To Install
  • Heat Treated Steel
  • Prevents Stud Flexing
  • Black Plated Finish
See More

Competition Cams – Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud (Part No.1605-16)

Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

from

$476.99
Ultra Pro Magnum Rocker Arm Set with 1.6 Ratio for Chevrolet SBC with 7/16" Stud

FEL-PRO Performance – Engine Valve Cover Gasket Set (Part No.1603)

Engine Valve Cover Gasket Set

from

$31.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Blue Stripe performance cork-rubber gaskets use cork particles evenly distributed throughout a rubber binder resulting in a compressible gasket without leak paths.
  • Not intended for use in emission controlled vehicles.
See More

FEL-PRO Performance – PERFORMANCE VALVE COVER GASKET SET (Part No.1602)

PERFORMANCE VALVE COVER GASKET SET

from

$23.99
Fel-Pro Performance Gaskets deliver reliable sealing under grueling racing conditions

Product Features:
  • Die cut silicone rubber gaskets conform to out-of-flat covers
  • Great for on-again/off-again situations
  • Not intended for use in emission controlled vehicles.
See More

Performance Engines Brands You Can Trust For Your Cadillac Fleetwood

6 trusted brands of Performance Engines line our shelves, ready to help keep your Cadillac Fleetwood running smooth. Below are some of the most popular brands and their top Performance Engines offerings:

Top Cadillac Fleetwood Performance Engines from Mr. Gasket

Your Cadillac Fleetwood will be purring again thanks to Mr. Gasket brand Performance Engines available for online order or in-store pick up. Popular Mr. Gasket parts include:
High Performance 180 Degree Thermostat for Increased Flow
from $29.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
High Performance Thermostat - 160 Degree Brass & Copper
from $29.99
(12)
High Performance Thermostat – 160 Degree Brass & Copper
Performance Engine Coolant Thermostats
Ultra Seal: Harmonic Balancer Bolt/Washer Kit
from $15.49
(12)
Ultra Seal: Harmonic Balancer Bolt/Washer Kit
Performance Engine Harmonic Balancers

Most Purchased Cadillac Fleetwood Performance Engines from Mr. Gasket

When you buy the most frequently purchased Mr. Gasket brand Performance Engines, you can be confident it will be the right part for your Cadillac Fleetwood. Here are the Mr. Gasket Performance Engines Advanced Auto customers buy the most:
High Performance 180 Degree Thermostat for Increased Flow
from $29.99
(20)
High Performance 180 Degree Thermostat for Increased Flow
Performance Engine Coolant Thermostats
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
from $42.49
(1)
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
Performance Engine Cylinder Head Gaskets
High Performance Thermostat - 160 Degree Brass & Copper
from $29.99
(12)
High Performance Thermostat – 160 Degree Brass & Copper
Performance Engine Coolant Thermostats

FAQs for Cadillac Fleetwood Performance Engines

What are the most purchased Performance Engines for the Cadillac Fleetwood?

Out of 185 Performance Engines for the Cadillac Fleetwood, the most popular in our inventory are:
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
from $42.49
(1)
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
Performance Engine Cylinder Head Gaskets
Bolt Kit Intake Hex Head
from $10.99
This product is not rated
Bolt Kit Intake Hex Head
Performance Intake Manifold Hardware
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
from $44.99
(1)
Cylinder Head Gasket: Steel Core Composite, Without Head Bolts
Performance Engine Cylinder Head Gaskets

What are the top-rated Cadillac Fleetwood Performance Engines?

Top-rated Performance Engines for your Cadillac Fleetwood based on customer reviews/ratings are:
Sure Seat Valve Springs for Chevy 262-400 V8 1957-95
from $64.99
(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.”
Performer Intake Manifold for 1987-95 Small Block Chevy, Satin Finish
from $346.99
(1)
Performer Intake Manifold for 1987-95 Small Block Chevy, Satin Finish
“product fit as described , no complaints”
Lower Intake Manifold Gasket Set: Includes Sealer, 3 Piece Set
from $31.99
(1)
Lower Intake Manifold Gasket Set: Includes Sealer, 3 Piece Set
“Perfect fit replacement on my 95 Fleetwood…I also recommend ‘The Right Stuff’ by Perminex to seal the front and back of your LT1 intake.”