Best Car Engine Kits of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 10, 2026

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Car engine kits are a popular choice for those who are looking to upgrade or modify their vehicle's engine. These kits typically include all the necessary components to increase horsepower, improve fuel efficiency, and enhance overall performance. They may include items such as new pistons, camshafts, and crankshafts, as well as upgraded intake and exhaust systems. Car engine kits can be tailored to fit specific makes and models, and are available in a range of price points to suit different budgets. Whether you're a performance enthusiast or simply looking to get more out of your vehicle, a car engine kit can be a great investment.

At a Glance: Our Top Picks

Moker SBC Adjustable Power Steering Pump Bracket Kit Cover #TOP 1
Moker SBC Adjustable Power Steering Pump Bracket Kit
ftb score rating icon 9.9
ICT Billet LS Oil Port Adapter Cover #TOP 2
ICT Billet LS Oil Port Adapter
ftb score rating icon 9.8
ICT Billet LS Gen 4 Valley Pan Cover Plate Cover #TOP 3
ICT Billet LS Gen 4 Valley Pan Cover Plate
ftb score rating icon 9.6

Top 10 Car Engine Kits

#TOP 1

Moker SBC Adjustable Power Steering Pump Bracket Kit

551522
Moker SBC Adjustable Power Steering Pump Bracket Kit Cover
SBC Power Steering Pump Bracket Kit - Adjustable V-Belt Slotted 305 327 383 5.0L 5.7L V8 LWP Low Mount Power Steering Pump Bracket Compatible with Chevy 350 Small Block Long Water Pump

The Moker SBC Pump Bracket is designed to fit Small Block Chevy engines with a long water pump, making it easy for you to upgrade or replace your power steering setup. It works with specific power steering pumps and supports both V-belt and 1 or 2 rib pulleys, offering flexibility for your engine configuration. The bracket mounts the power steering pump low on the driver’s side, helping you maintain proper belt tension thanks to its adjustable slotted arm. Made from high-quality billet aluminum, this bracket is built to last and withstand the demands of your engine. It also comes complete with the necessary mounting hardware for a straightforward installation.

What We Like
Adjustable slotted arm
Fits long water pump SBC engines
Compatible with V-belt and rib pulleys
Durable billet aluminum construction
Includes mounting hardware
#TOP 2

ICT Billet LS Oil Port Adapter

Natural
1/8 Inch
ICT Billet LS Oil Port Adapter Cover
ICT Billet LS Oil Port Adapter 1/8" NPT Turbo Oil Feed Plate Turbocharger Supply LS1 LSX LS3 LQ4 LQ9 LR4 LS6 L33 LS2 LH6 L92 L76 L98 L9H L20 L94 LZ1 L99 L96 LC8 L77 551608

This LS Oil Port Adapter is a heavy-duty, 1/2" thick billet aluminum plate that conveniently adds a 1/8" NPT oil supply for your turbocharger, compatible with all LS oil pans (except dry or front sump). Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum. This plate maximizes oil circulation and includes re-usable oring seal and mounting hardware.

What We Like
Conveniently adds oil supply for turbocharger
Compatible with most LS oil pans
Heavy-duty billet aluminum plate for maximum oil circulation
#TOP 3

ICT Billet LS Gen 4 Valley Pan Cover Plate

551646
Natural
ICT Billet LS Gen 4 Valley Pan Cover Plate Cover
ICT Billet LS Gen 4 Valley Pan Cover Plate Low Profile Carb Lifter LSX LS3 DOD Billet Aluminum Engine Lifter Area Oil Cover Compatible with Chevy Gen IV 551646

Dress up your engine with the ICT Billet LS Gen 4 Valley Pan Cover Plate, made from aerospace grade billet aluminum and compatible with various Gen IV engine blocks. The plate features a machined aluminum finish and comes with stainless steel bolts.

What We Like
Easy to install
Made from high-quality materials
Compatible with various Gen IV engine blocks
#TOP 4

KMT Dual VANOS Anti Rattle Kit for BMW M52tu M54 M56

KMT-OT00415
KMT Dual VANOS Anti Rattle Kit for BMW M52tu M54 M56 Cover
Dual VANOS Anti Rattle Kit with Needle Bearings Compatible with BMW E36 E39 E46 E53 E60 E83 E85 M52tu M54 M56 by KMT

The KMT VANOS Anti Rattle Kit is designed to improve your BMW’s engine performance by reducing noise and wear. It includes two piston bushings and four piston bearings, which help ensure smooth movement and reduce rattling in the VANOS system. This kit fits various BMW models from 1998 to 2006 equipped with M52tu, M54, and M56 6-cylinder engines, making it a versatile choice for many owners. Each bushing and bearing is pre-mounted on an actual BMW VANOS piston, guaranteeing a perfect fit and easy installation for you. With this kit, you can expect quieter engine operation and enhanced reliability.

What We Like
Complete bushing and bearing set
Fits multiple BMW models (1998-2006)
Pre-mounted for guaranteed fit
Reduces VANOS system noise
Improves engine reliability
#TOP 5

ARP 134-2002 Chevy Intake Bolt Kit

ARP
134-2002
Black
5/16-18 in.
ARP 134-2002 Chevy Intake Bolt Kit Cover
ARP 134-2002 1342002 Intake Blt Kit Chevy Vort

The ARP Chevy Bolt Kit is designed to provide you with a reliable set of bolts and studs specifically for your Chevy intake manifold. These high-quality components help ensure a secure and durable connection, which is essential for maintaining engine performance. The kit is compact and lightweight, making it easy to handle and install without hassle. Manufactured in the United States, you can trust the quality and craftsmanship of this product. Whether you’re doing routine maintenance or an upgrade, this bolt kit offers convenience and peace of mind for your engine work.

What We Like
Durable manifold studs and bolts
Compact, easy-to-handle size
Lightweight packaging
Made in the USA
#TOP 6

ICT Billet Gen V LT Vacuum Pump Flange Cover Plate Adapter 551123

551123
Natural
ICT Billet Gen V LT Vacuum Pump Flange Cover Plate Adapter 551123 Cover
ICT Billet Gen V LT Vacuum Pump Flange Cover Plate Adapter For Oil Galley Flange Compatible with LT1 LT2 L82 L83 L83 L84 L86 L87 L8B LT4 LT5 Made in the USA 551123

The ICT Billet Gen V LT Vacuum Pump Flange Cover Plate Adapter is a plug used to block the oil galley when the vacuum pump is removed from the engine block. Made in the USA from aerospace-grade billet aluminum, it is compatible with all Gen V, 2014 & newer LT series engines without requiring a gasket thanks to its leak-free oringed seal. Additionally, it is compatible with the ICT Billet LS Swap adapter plate #551363X, providing a versatile solution for engine intake manifolds.

What We Like
Compatible with all Gen V, 2014 & newer LT series engines
Leak-free oringed seal, no gasket required
Made in the USA from aerospace-grade billet aluminum
#TOP 7

Proform 66792 Top Dead Center Locater

66792
Proform 66792 Top Dead Center Locater Cover
Proform 66792 Top Dead Center Locater

The Proform TDC Locater is a vehicle-specific car engine kit that helps you locate the top dead center with ease. With its compact dimensions of 17.272 H x 1.778 L x 11.176 W (centimeters), this locater is designed to fit perfectly into your car engine. Weighing only 0.091 kilograms, it is lightweight and easy to handle. The fit type of this locater is vehicle-specific, ensuring a precise fit for your specific vehicle. Made in Taiwan, you can trust the quality and durability of this product. The Proform TDC Locater is a must-have tool for any car enthusiast or mechanic, providing convenience and accuracy when locating the top dead center of your engine.

What We Like
Compact Dimensions
Lightweight
Precise Fit
#TOP 8

STILEALUS Oil Pan Windage Tray Deflector for Pontiac Firebird & Chevy Camaro LS1 1998-2002

ESTOT00530
STILEALUS Oil Pan Windage Tray Deflector for Pontiac Firebird & Chevy Camaro LS1 1998-2002 Cover
1 Pcs Oil Pan Windage Tray Deflector Compatible with Pontiac Firebird Chevy Camaro LS1 1998 1999 2000 2001 2002 Replaces# 12558253

The STILEALUS Windage Tray is designed to fit 1998-2002 Chevrolet Camaro and Pontiac Firebird models with the 5.7L V8 engine. This part replaces the original OEM number 12558253, ensuring a perfect match for your vehicle. Made from high-quality materials, it offers excellent resistance to heat and corrosion, which means it will last longer and maintain its shape without bending easily. Installation is made simple thanks to pre-drilled holes, helping you save time and effort during setup. Overall, this tray deflector provides durability and ease of use for better engine performance and maintenance.

What We Like
Wide vehicle compatibility
OEM number replacement
Heat and corrosion resistant
Easy installation with pre-drilled holes
#TOP 9

jasperautopart Billet Aluminum Vacuum Pump Delete Cover for Gen V LT Engines

JAS2024101401
jasperautopart Billet Aluminum Vacuum Pump Delete Cover for Gen V LT Engines Cover
Billet Aluminum Vacuum Pump Delete Cover Plate For Oil Galley Flange 2014-Newer GEN 5 V8 LT Engines LT1 LT2 L82 L83 L83 L84 L86 L87 L8B LT4 LT5 Vortec Camaro Corvette

The jasperautopart Vacuum Pump Cover is designed to fit all Gen V LT series engines from 2014 and newer, including popular models like LT1, LT2, and LT4. This cover is perfect if you want a clean, finished look on LT1 or LT4 blocks that don’t have a vacuum pump. Installation is straightforward—just ensure the surface is clean and smooth before you begin, and if you’re using motor mount adapters, install this cover first to avoid bolt issues. Crafted from durable, corrosion-resistant 6061-T6 billet aluminum, it offers reliable heat tolerance and a strong seal, so you can trust it to last and protect your engine components.

What We Like
Wide Gen V LT engine compatibility
Clean, finished appearance
Easy installation process
Durable billet aluminum material
High heat and corrosion resistance
#TOP 10

ICT Billet Aluminum 3/8" NPT Weld On Bung

617-6703AL
Natural
3/8"
ICT Billet Aluminum 3/8" NPT Weld On Bung Cover
ICT Billet Aluminum 3/8" NPT Weld On Bung Female Nut Threaded Insert Weldable Weldable Taper Pipe Thread Connector Fluid Designed & Manufactured in The USA Bare 617-6703AL

This ICT Billet Weld On Bung is a high-quality aluminum threaded insert designed to easily add a 3/8" NPT taper pipe thread port to any surface. Whether you need to install a reservoir or a catch can, this bung is the perfect solution. Its recess step on the weld end makes mounting flush to a surface effortless. Made in the USA from 6061-T6 billet aluminum, this bung is not only durable but also ensures reliable performance. With an outer diameter of 0.98 inches, it is suitable for various applications. Sold individually, this weldable bung offers a convenient and reliable solution for your car engine needs.

What We Like
Durable
Easy installation
Versatile
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What are the different types of engine kits?

Enginetech offers three types of engine kits: Remain Kits, Rebuild Kits, and Master Kits. These kits provide different levels of components and are designed to meet various engine rebuilding needs.

2. Are engine rebuild kits worth it?

Yes, engine rebuild kits can be worth it. One of the advantages of buying an OEM rebuild kit is that it includes high-quality parts that are the same as the original ones used in your engine. This ensures a proper fit and gives you peace of mind during the rebuild process, which can save you both time and money.

3. What does an engine kit include?

An engine kit typically includes essential components such as cylinder liners, liner seals, pistons, pins, ring sets, rod bearings, main bearings, and thrust washers (if applicable). Additionally, an engine kit may also include an upgraded overhaul gasket set, which consists of upper engine and lower engine gaskets.

4. Is assembling an engine hard?

Assembling an engine can be a challenging task for someone who has never done it before. It requires attention to detail and following instructions carefully. While it may not be physically demanding, it does require precision and accuracy.

5. Is it hard to build a car engine?

Building a car engine is not particularly difficult if you have the knowledge and experience. However, it does involve specific torquing and adjustment of various components, which requires expertise. Having an experienced engine builder can be invaluable in ensuring the engine is assembled correctly and avoiding mistakes.

Editor's Notes

During our car engine kit research, we found 24 car engine kit products and shortlisted 10 quality products. We collected and analyzed 8,606 customer reviews through our big data system to write the car engine kits list. We found that most customers choose car engine kits with an average price of $29.06.

The car engine kits are available for purchase. We have researched hundreds of brands and picked the top brands of car engine kits, including Moker, ICT Billet, 1409KMT, ARP, ProForm. The seller of top 1 product has received honest feedback from 102 consumers with an average rating of 4.9.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.