The automotive machine shop for Bowling Green and south-central Kentucky.
Bowling Green Engine Machine is an automotive machine shop in Bowling Green, Kentucky. Cylinder heads, blocks, crankshafts, and flywheels machined to spec for daily drivers, farm diesels, race engines, and the region’s repair shops, with every labor price published.
- Published labor menu
- Pressure test before machining
- Measured in, measured out
- Dated turnaround promises
Engine apart on the garage floor right now? Call (270) 438-4749. A Bowling Green number, answered by the machinist.
What engine machine work costs here.
Machine work for a typical engine rebuild in Bowling Green runs $500 to $1,500: a complete valve job on a standard V8 head is $200 to $350, boring and honing runs $60 to $90 per cylinder, decking a block $150 to $250, and grinding a crankshaft $250 to $400. Bowling Green Engine Machine is an automotive machine shop serving Warren County and the surrounding counties, and those numbers come from our published labor menu rather than a phone estimate that changes when you arrive. Most head and crank jobs turn around in about a week, overheated heads get pressure tested before any machining money is spent, and every casting is measured on the way in and the way out with the numbers handed back on paper. The full table is on the cost page, and the invoice matches it.
This is a car town. It deserves a machine shop that acts like it.
Bowling Green builds the Corvette, hosts tens of thousands of people for LS Fest every year, and runs drag racing at Beech Bend nearly every summer weekend. Under all of that sits ordinary Warren County: over a hundred thousand registered vehicles, farm country in every direction, and repair shops with engines waiting on machine work. Engines here fail the usual ways, overheats, worn bores, spun bearings, and enthusiasts here build engines on purpose, which is the best kind of demand a machine shop can have.
Bowling Green Engine Machine does the machining underneath all of it: the head work, the boring and decking, the crank grinding, and the race prep, priced in writing before the parts leave your truck.
Six kinds of engine work, one bench.
Cylinder head work
Valve jobs, head resurfacing, pressure testing, guides and seats. Overheated aluminum heads get tested for cracks before a dollar of machining is spent.
Engine block machining
Boring and honing to your new pistons, decking to spec, cylinder sleeving when a wall is beyond cleanup. Measurements documented in and out.
Cranks and flywheels
Crankshaft grinding and polishing, journal measurement and verdicts, flywheel resurfacing, and rotating-assembly balancing.
Performance and race
Three angle valve jobs, torque-plate honing, decks squared, assemblies balanced. Much of what we machine runs at Beech Bend on the weekend.
Farm and diesel
Tractor, combine, and pickup diesel machine work with harvest-season priority. A cracked head in October moves to the front of the queue.
For repair shops
Wholesale machine work with dated turnaround promises, so your shop can quote engine jobs without owning a boring bar. You keep the customer.
The labor menu is public. Total your own job before you call.
Every operation has a printed price: valve jobs, resurfacing, pressure tests, boring per cylinder, decking, crank grinding, flywheel resurfacing, balancing. Add up what your engine needs on the cost page and the quote will match your math, because it comes off the same table. The only thing that moves a number is something we find on measurement, and you hear about it before we machine, not on the invoice.
Engines travel to the machine shop. Ours come from eight counties.
Glasgow farm diesels, Franklin commuters and racers, Scottsville home rebuilds, Smiths Grove classics: each area page covers the engines that town actually sends us and what the work costs.
Tell us what the engine did. We’ll tell you the number.
Photos of the parts speed everything up: text them to the same number you call, and the quote comes off the published menu.