Hasport J-Series Swap Mount Kit V6 Engine for 88-91 Civic/Crx w/Hydro Transmission (Clutch Conversion Sold Separately) Race (U70A) Urethane - EFJ1-70A Locking 75" thick core and 2

75" thick core and 2

It's easy to see that the engine reaches redline faster and drops to idle faster with the GrimmSpeed Lightweight Crank Pulley installed

Aftermarket alternatives have existed for years

Constructed with a fragmentized fire retardant volcanic rock outer layer (Rated 1500 degrees F Direct Heat / 1800 degrees F Radiant Heat) and internally insulated with high temperature calcium magnesium silicate wool (Rated 1800 degrees F Direct Heat / 2300 degrees F Peak Heat)

Hasport J-Series Swap Mount Kit V6 Engine for 88-91 Civic/Crx w/Hydro Transmission (Clutch Conversion Sold Separately) Race (U70A) Urethane - EFJ1-70A Locking 75" thick core and 2Performance mount kit for J series engine swaps into the 88 91 Civic and CRX. Cutting and welding are required for the installation of this motor. This is a tall motor and won't fit under the stock hood. Like All Hasport Mount Kits, it's designed using sophisticated CAD CAM software. This kit features: Optimized engine placement for best axle alignment. Designed blending strength and style with a lifetime warranty for worry free use. Four different