Ultimate-Jensen Healey Loutusbits Engine First Start In My Ultimate Jensen Healey

Lotus 907 slant 4 engine 2498 cc with 4 valve/cyl head - [907 head with 912 block] from Lotusbits. Bore 95.2mm x stroke 87.5mm, 250 bhp @ 7000 rpm & 210 ft-lbs torque from 5100-6000 rpm and an 8000 rpm redline. Aluminum Block and Heads-the 907 engine only weighs 292 pounds compared to 325 pounds for a less powerful Honda S2000 engine and 30 pounds less than the Buick-Oldsmobile OHV 3.5L-a popular engine swap for various cars at the time; with an 3.0 Liter SOHC conversion this engine even won two Formula One World Championships for Jack Brabham in 1966 and 1967 The Lotusbits 907/912 features EN40B Billet nitrated crankshaft with counter weights and matched pistons that are forged lightweights with small pins and lightweight steel connecting rods. Stainless Steel 1.75” diameter ceramic coated headers & custom SS free flow duel exhaust system with a three row radiator with electric cooling fan. The three row radiator has been changed to a four row.

Added 6 Apr 2026