Our steel harmonic balancers are extremely durable and efficient. The elastomer is bonded to the inside of the inertia ring and outside of the hub thanks to an improved design and premium adhesive. They feature a black finish and white timing marks - including marks every 90° - for easy reading and installation. They are precisely designed and balanced for perfect fit and performance. This is for 262-350 engines. It is 6-3/4" diameter with a gloss black finish with white markings. Meets SFI Specification 18.1 this is an internal balance. Fits applications with three bolt crankshaft pulley holes.