Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
Engine Building Tools
Showing In Stock Items. Show All 38 Items.
COMP Cams Valve Spring Seat Cutting Tools
COMP Cams valve spring seat-cutting tools allow you to machine the cylinder head for the correct diameter valve spring. This will allow you to install larger springs and hardened spring seats. They will require the use of an arbor/pilot (sold separately).
( 35 )
$109.95
—
$130.95
Howards Cams Valve Spring Seat Cutters
Howards Cams valve spring seat cutters allow you to modify your heads to fit your valve springs and stem seals. Several diameters are available to suit your needs.
( 2 )
$99.99
—
$112.99
COMP Cams Spring Seat Cutters
Cut your own valve spring seats with these COMP Cams spring seat cutters. These seat cutters are made from tough carbide, so they can cut seat after seat without wearing out. They are available in a variety of configurations and sizes to precisely cut seats for various spring sizes, designs, and even aftermarket valve seats. Each tool utilizes interchangeable arbors to match your valve stem to keep everything square and true. Save time and money by cutting your own valve spring seats with these COMP Cams spring seat cutters.
Not Yet Reviewed
$155.95
LSM Racing Valve Seat Pressure Testers
LSM Racing valve seat pressure testers are the most versatile spring testers available. These valve seat pressure testers are adjustable on head valve spring testers for various shaft-style and stud mount roller rocker systems. They feature a 0-600 lb. gauge and come with adjustable shim kits, which enable adjustments to within .050 in. of rocker arm pivot length. LSM Racing valve seat pressure testers are also available with a multiple handle option.
( 21 )
$299.99
—
$314.70
Moroso Valve Seat Pressure Testers
These Moroso valve seat pressure testers allow you to check the seat pressure on most assembled Chevy and Ford engines with roller rockers. These tools have built-in direct reading scales to eliminate difficult calculations and are accurate to within 3 percent.
( 23 )
$134.99
—
$186.99
Howards Cams Spring Seat and Seal Cutter Arbors
Howards Cams spring seat and seal arbor cutters are available in a choice of sizes. You can depend on Howards Cams for the tools that you need to build your engine.
( 1 )
$35.99
Brush Research Seat Cleaning Brushes
Brush Research seat cleaning brushes help maintain your vehicle's interior. These premium brushes are cut for power from carbon steel wire that will ensure the perfect seating of your newly installed coppers. When you need automotive brushes to assist you with proper seating, Brush Research has the solution.
( 1 )
$15.99
Jesel Valve Seat Pressure Testers
Designed by Logan-Smith Machine, Jesel valve seat pressure testers offer you an affordable way to check valve spring seat pressure on assembled valvetrains. These variable, on-head instruments include a setup and adjustment guide. As a premier provider of valvetrain products to the racing community, Jesel Valvetrain provides the quality you can count on. Find out for yourself when you order Jesel valve seat pressure testers!
Not Yet Reviewed
$290.00
COMP Cams Arbor/Pilots
COMP Cams spring seat cutter (sold separately) requires the use of an arbor/pilot, which is available in different sizes. These COMP Cams arbor/pilots also work with valve guide cutters (sold separately) used for shortening the guide for a high lift cam or installing a COMP Cams PTFE seal for oil control.
( 23 )
$39.95
Moroso Spark Plug Indexers
High compression engines with dome pistons require indexing of spark plugs to prevent contact between the piston dome and the ground wire of the spark plugs. Moroso spark plug indexers are designed for both flat and taper-seat 14mm spark plugs. With their hex head design, it makes them easy to be held in a vise.
( 5 )
$22.99
OTC Compression Tester Deep Well Connectors
These deep well connectors are manufactured to be used with OTC compression testers. The shaft is manufactured from quality steel and features a corrosion-resistant nickel plated finish. OTC designed these connectors with an upper T-wing grip for ease of installation and removal.
Not Yet Reviewed
$34.99
Performance Tool Cooling System Pressure Test Kits
Performance Tool cooling system pressure test kits detect engine leaks caused by blown head gaskets and/or cracked blocks or heads. They quickly reveal external cooling system leaks. These test kits include a high-quality hand pump and 12 adapters to fit the most popular domestic and import cars and light trucks.
( 7 )
$98.99
Proform Valve Spring Height Micrometers
These Proform valve spring height micrometers are inserted over the valve, between the spring seat and retainer, as if they were springs. Their threaded members allow for a quick, accurate measurement of critical valve spring heights.
( 65 )
$61.99
—
$67.99
OTC Deluxe Compression Tester Kits
OTC complete deluxe compression tester kits offer a complete package for compression testing on gas engines. OTC also includes the deep well connector used on recessed plug well style heads and the new Ford Triton engine adapter using 16mm thread plugs. Kits include: * Flat and tapered seat plug adapters * 25 in. flexible hose * 2.50 in. gauge * Dual scale * 8 in. deep well 14mm connector * 5 in. flex Ford Triton 16mm adapter * 12 in. flex hose with a 14mm standard reach * 12 in. flex hose with a 14mm long reach * Carrying case
( 38 )
$109.99
COMP Cams Valve Spring Height Micrometers
COMP Cams valve spring height micrometers are the quickest, easiest, and most accurate way to measure valve spring installed height. They install just like a valve spring and then the tool is expanded until it has fully seated the valve, locks, and retainer. By simulating the installation, they're able to read the measurement precisely.
( 34 )
$113.95
—
$128.95
OTC Compression Tester Kits
These OTC complete compression tester kits are designed for compression testing on vehicles with gas engines, including domestic and import models, motorcycles, and marine vehicles. These OTC tools are great for those hard-to-reach spaces. Kits include: * Flat and tapered seat plug adapters * 25 in. flex hose * 2.50 in. gauge * Dual scale * 12.00 in. flex hose with 14mm standard reach * 12.00 in. flex hose with 14mm long reach * 10mm, 12mm, and 18mm thread adapters * Carrying case
( 18 )
$95.99
—
$150.99
Summit Racing™ Valve Spring Height Micrometers
These Summit Racing™ valve spring height micrometers are inserted over the valve, between the spring seat and retainer, as if they were springs. Their threaded members allow for a quick, accurate measurement of critical valve spring heights, to a thousandth of an inch.
( 1 )
$44.99
Allstar Performance Spark Plug Indexing Tools
If you perform engine work, Allstar Performance spark plug indexing tools are extremely helpful in getting the job done right! It's no surprise that high-compression engines run better when the plugs have been indexed. These handy devices fit 14mm spark plugs, positioning the ground strap properly for the best piston dome clearance; they'll work fine with either flat gasket or tapered seats. In tandem, the index tool unshrouds the electrode for a more even burn and possible gains of 5 to 15 hp. Instructions are included for easy operation.
( 4 )
$22.49
Performance Tool Piston Ring Groove Cleaner Tools
Performance Tool piston ring cleaner tools are designed for doing a re-ring job on your engine. They will remove carbon deposits from the ring grooves, allowing your new rings to seat perfectly onto the piston. The kits include a special spring to control the pressure and to prevent gouging, snagging, or chattering. The tool comes with two 5-cutter wheels that fit multiple ring groove sizes.
( 6 )
$28.99
Titan Valve Lappers
Titan valve lappers are for hand-grinding flat head unslotted valves. Available in two models, they feature hardwood handles and two different sizes of heavy-duty synthetic rubber suction cups that are resistant to oil, grease, and are replaceable. Combine these Titan tools with lapping compound to lap valves to match valve seats.
( 1 )
$4.99
Engine Works Valve Spring Height Micrometers
Engine Works valve spring height micrometers are offered in different options for regular and beehive-style springs. Measuring in .0050 in. increments, the micrometers are inserted over the valve, between the spring seat and retainer, as if they were springs. Their threaded members allow for quick, accurate measurement of critical valve spring height. Select the Engine Works micrometer with the range needed.
Not Yet Reviewed
$82.99
Proform Main Cap Removal Tools
Slowly put down the rubber mallet and do the job the right way with Proform main cap removal tools. LS main caps have very tight tolerances, and cannot be removed by simply grabbing and pulling on them--uniform pressure from both sides is the only way to do this correctly. Each of these handy tools will seat itself on the engine block, and by using a mechanical advantage easily pulls the main caps upward, evenly ... making a challenging job easy. Proform tools feature heavy-duty anodized billet aluminum construction and are beautifully engineered for years of use.
( 2 )
$236.99
Pit Posse Pilot Screw Adjusting Tools
Pit Posse pilot screw adjusting tools work like a charm when adjusting air/fuel mixture screws on your multi-cylinder cycle. These must-have 17 in. long tools highlight a straight slot blade tip and a 1 in. throat. They're designed to reach those inaccessible spots with a collar that sets them against the screw seat securely, thus avoiding the frustration of it skipping out. Pit Posse pilot screw adjusting tools take the hassle out of fine-tuning your scooter.
( 5 )
$26.99
OTC GM Duramax Injector Pullers
OTC GM Duramax injector pullers make servicing your injectors easier than ever. With every diesel vehicle, service is important to keep them running strong and getting the fuel economy that you demand. OTC came through for your GM Duramax with their injector pullers. Simply install on the injector that needs to be pulled, use a box end wrench to turn the tool until the injector releases from the seat. It does not get much simpler than that.
( 3 )
$82.99
—
$183.99
