Hasport EF8STK B16A Replacement Mount Kit (EF8/EF9)

Hasport EF8STK B16A Replacement Mount Kit (EF8/EF9)

If your CRX SiR or Civic SiR is still sitting on its original mounts, that rubber is more than thirty years old and it shows: clunks on throttle tip-in, a shifter that hunts, wheel hop when you get on it. The Hasport EF8STK is the stock-replacement performance mount kit for 89-91 Civic and CRX chassis that came from the factory with the B16A, the JDM EF8 and EF9 and the European EE8 and EE9.

What It Is and Why It Works

The EF8STK replaces the factory mounts in the factory locations for the stock B16A with its PR3 2-bolt left-hand mount bracket and cable-operated clutch transmission. No relocating, no brackets to source, no geometry changes: the engine stays where Honda put it, held by welded steel brackets and urethane bushings instead of collapsed rubber. Hasport designs the kit with CAD/CAM software and backs it with a lifetime warranty. If the B16A in your chassis was replaced with a different B-series along the way, a B18C or B16B for example, Hasport's PR3BB 2-bolt left-hand bracket adapts other B-series engines to this same kit, so you are not locked out by an engine swap done before you owned the car.

Specs

Available Options

Fitment

These chassis were never sold new in the US with the B16A, so this kit lives on imported SiRs and on US cars built to factory SiR configuration. If your US-market 88-91 Civic or CRX started life with a D-series and you are swapping a B-series in, this is not your kit: you want the Hasport EFB1 or EFB2 swap mount kit, which relocates the engine correctly for the swap.

What to Know Before You Buy

Pick the durometer for how the car actually gets driven. The 62A street bushing controls the drivetrain far better than dead 35 year old rubber while staying civil at idle. 70A suits a street car that sees track days. 88A and 94A are race bushings, and on an EF-generation unibody they transmit real vibration through the whole car; put them in a trailer car, not your weekend SiR. While the engine is unloaded for the install, check the shift linkage bushings and the rear engine bracket bolts, because thirty year old linkage slop reads like a bad mount after everything is buttoned up. Re-torque the mount bolts after the first 50 miles of driving.