BKX 4F is a heavily modified car with some very expensive upgrades.

The engine is to fast road specification with a modified cylinder head.

Cast Hepolite pistons were fitted, the block bored to size and the crankshaft balanced, micropolished and re-ground.

The flywheel was lightened, a new oil pump and uprated pressure spring fitted, new big end, main and thrust bearings, all new gaskets and conrod bushes, new core plugs, new crank spigot bush, replaced crank oil seal, new timing cover oil seal, new timing chain and tensioner, replaced camshaft lockplate, new cam followers and the camshaft reground and plasma hardened.

The engine had a spin on oil filter conversion, new rockershaft, an alloy finned sump, alloy finned rocker cover and a new clutch and plate.

Mechanical work and upgrades included a front and rear anti-roll bars, uprated front and rear springs, new spax shock absorbers, uprated drive shafts, re-conditioned rear hub units, uprated bushes to the rear suspension tra...