Bentonville, Arkansas · Aisin AMR 500

More than double
a stock 1600.

Forty-odd horsepower goes in. Ninety to a hundred and five comes out. A Roots blower, stainless pipework and a Weber on top — bolted to a stock twin-port engine, on your own driveway, with no welding and nothing cut off the car.

Kompressor Haus is carrying on from the UK workshop under new hands in Northwest Arkansas. Kits are built to order — email for current pricing and lead times.

105 bhp Measured on a 1641cc
8 psi Standard pulley, to 1641cc
500 cc Air moved per revolution
1300–2100 Engine sizes covered

What it’s worth

Where the power actually lands

Stock 1600 twin port40–45 bhp
Sleeper · 1300–1776cc85–90 bhp
Ultimate & Slammed · 1600–2100cc90–105 bhp · 160–175 Nm

Figures from a healthy stock engine. Where you land inside those bands depends on pulley size, jetting, ignition advance, fuel quality and how far your engine has already drifted from factory spec.

Out there

Customers’ cars

Beetles, Ghias, buses and one very determined single cab. Send us photos and a few lines about your engine and we’ll put you on the wall.

White Karmann Ghia laying a burnout under the Santa Pod start line gantry.
Cream Beetle with the decklid open, showing a supercharged engine with red
                    plug leads and polished pipework.
Maroon Beetle engine bay with the AMR 500, twin cone filters and red anodised
                    pulleys.
Olive green rat-look Beetle, chopped and slammed, parked on a driveway under
                    flags.
Turquoise Splitscreen single cab pickup at a show with the engine hatch open
                    and wooden crates in the bed.

Get in touch

Tell us what you’re building

Car, engine size, and what’s already been done to it. That’s enough for us to say which kit suits and what else you’ll need — including when the honest answer is to sort the engine first.

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