In development

Swaps.

Bolt-on parts we are building for our own buses first. They come to you once they are proven on the road.

EngineCoolingSuspensionGearbox
Engine

EZ36 flat six

A 3.6 liter Subaru six, built to live in the back of a T2 Bay or T3 Vanagon.

3.6L

Flat six

256 hp

247 lb-ft stock

~280 hp

About 270 lb-ft with headers and exhaust (our estimate)

  • Intake manifold reversed, with the throttle body facing forward
  • Alternator on a custom bracket, tucked under the plenum
  • Stainless headers into a 911-style dual outlet muffler
  • Clean mil-spec harness with a compact interface box
Vintage service manual style drawing of a flat six engine seen from the front, with a reversed intake manifold, throttle body facing forward and an alternator on a custom bracket
Cooling

Underbelly radiator

Cooling for 300+HP, tucked under the bus.

300+HP

Cooling

2

Low-profile fans

Stainless

Bent housing

  • Full-size radiator with the A/C condenser stacked on top, first in the airflow
  • Built-in transmission and engine oil coolers
  • Whole stack enclosed in a bent stainless housing, between the frame rails
  • Flows forward into a sheet metal belly pan
  • Sealed scoop and road screen, with two low-profile fans pulling air down through the stack
Vintage service manual style drawing of the underside of a VW bus, with a stainless housing and two fans between the frame rails, flowing forward into a belly pan with a screened intake mouth
Suspension

Bus “OEM+” A-Arm

Bolt-on Vanagon front suspension for the Bay.

SLA

A-arm front suspension

Bolt-in

Subframe

Vanagon

Control arms and knuckles

  • Vanagon control arms and knuckles on a bolt-in subframe
  • Radius rods on their own subframe section
  • Steering rack laid out like a Vanagon, with a bevel box
Vintage service manual style drawing of the front wheel arch of a blue and cream Bay Window bus with the wheel off, showing a stamped upper arm, boxed lower arm, coil spring and shock, steering knuckle and threaded radius rod on a bolt-in mounting plate
Gearbox

Subaru + RGB

Subaru gearboxes turned around for a rear-engine bus with Reversaru reduction gearboxes.

4EAT

Four-speed automatic

5MT

Five-speed manual

1.19

RGB ratio, or 1:1

  • 4EAT four-speed automatic or 5MT five-speed manual
  • RGB at 1:1 or 1.19, so a 4.11 final drive stays 4.11 or becomes 4.89
  • Flat end plate replaces the AWD nose cone
Try your setup in the Bus Gear Calc →
Vintage service manual style side view of a Subaru 5 speed transmission with a flat black end plate, adjustable clocking plate and inboard portal axle unit, with labels
Ask about a swap →