About Powermax Engineering
Engine Reconditioning & Building • Crankshaft Grinding / Polish • Cylinder Head Resurfacing • Brake Disc Machining
Powermax Engineering provides engine reconditioning, machining, and bespoke performance solutions. Services include crankshaft grinding, cylinder head resurfacing, full engine builds, brake machining, and ECU installations for all vehicles.
Powermax Engineering Ltd Serving automotive, agricultural, commercial and motorsport clients, Powermax Engineering offers in-depth engine reconditioning, bespoke engine builds, precision machining and advanced ECU installation from its Magherafelt base.
Wide-ranging machine shop facilities allow for expert work across cars, light commercials, agricultural machinery, plant and marine engines.
Engine Reconditioning and Building

Powermax Engineering provides complete and partial engine reconditioning for petrol and diesel units, including classic, modern, agricultural, plant and motorsport engines. Services include disassembly, chemical cleaning, inspection, cylinder boring/honing, crankshaft and head machining, and professional rebuilding to restore reliability and performance. All work uses high quality OEM or aftermarket parts as required.
Removal and installation services are available for some projects. The team also offers bespoke race engine builds using a blend of experience and cutting-edge technology.
Crankshaft & Cylinder Machining

Crankshaft grinding and polishing services restore precision tolerances, essential for bearing longevity and reliable operation. Cylinder head and block machining include resurfacing, pressure testing, line boring, resleeving and reboring. Work is carried out to exacting standards for all applications, from commercial vehicles to high-performance and vintage engines.
All machining is supported by in-house quality control at every stage, including crack testing and component measurements.
Engine Reconditioning, Precision Machining and Motorsport Tuning – Northern Ireland
Engine reconditioning, machining, ECU tuning and performance upgrades for automotive, agricultural, plant, marine and motorsport engines across NI. Race engine builds, rolling road dyno, brake disc/caliper repair. Authorised Link ECU & Precision Turbo dealer. Magherafelt-based, B2B & public services. Q&A cover supported engine types, bespoke motorsport builds, performance & standard vehicle coverage, caliper repair options.
Performance & Motorsport Services

Specialising in custom motorsport engines, Powermax is equipped with an independent design and testing facility. Race, rally, drift and classic vehicles benefit from tailored engine builds, as well as full Link ECU installation and rolling road mapping. The business is an authorised Ireland dealer and distributor of Link and Precision Turbo brands, supplying performance products like Wossner and Cosworth pistons, ARP bolts, ACT/Xtreme clutches, Athena gaskets and more.
A 4WD hub dyno enables dynamic testing and tuning.
Brake Disc & Caliper Machining

Brake disc machining removes warping and irregularities for optimal braking performance. Brake caliper bleed nipple repairs are available, particularly for older or irreplaceable calipers. Repairs involve drilling out damaged nipples and installing new components, extending equipment life and serviceability.
Common Questions
What engines do you service?
Powermax Engineering works on petrol and diesel units, covering cars, light commercials, agricultural, marine, plant, motorsport and classic vehicles.
Do you offer custom performance tuning?
The business provides tailored motorsport engine builds, in-house dyno testing, ECU installation and performance parts supply for rally, race and drift vehicles.
Can you machine crankshafts and cylinder heads?
Precision machining services include crankshaft grinding, cylinder head resurfacing and pressure testing, all carried out with in-house quality control.
Serving Northern Ireland-wide
Based in Magherafelt. Contact the business to confirm availability for your location.
Contact Powermax Engineering for professional engine reconditioning, machining, and motorsport tuning solutions. Call 028 8676 2073 or visit www.powermaxengineering.com.
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Reviews of Powermax Engineering
They took the time to go through the requirements and made sure everything was done correctly. When you're dealing with farm machinery, you want repairs that are going to last, not shortcuts. Very pleased with the standard of engineering and the service we received. It's reassuring to have a business with these capabilities in Northern Ireland.
I particularly appreciated that they explained what they were doing and why, rather than simply handing the keys back at the end. Very knowledgeable outfit with impressive equipment. Well worth making the journey to them.













