Tall Model for Beehive Valve SpringsRange: 1. 600" to 2. 100". Measure installed valve spring height conveniently and accurately. Simply install the height micrometer instead of a valve spring, and then rotate the clearly engraved dial to expand the tool to seat the valve, locks and retainer. Fits most V8 engines with beehive springs.

Fabricated from a combination of heavy-duty 1

or softer valving at lower speeds to allow for the tire to remain planted on hot

smooth flow

popular for semis

Lower Anvil: 1

Unlike our competitors design the UMI 3-Point subframe connectors are bent and contoured to follow the floor pan of the car

while their aluminum construction and heat-dissipating fins keep temperature down

These track-tested

1 degree increments

No more reacting to the engine temps

and a silicone inner panel which ensures a confident grip of the wheel when you need it most

Chrysler Spec Number 5931