Klotz Storbilizer Fuel Stabilizer - Gas / E85 - 1 Pint Bottle (Case of 10) HRCCL110245-12 A proprietary blend of silicone

A proprietary blend of silicone and synthetic material produce a sleeve that is highly resistant to high heat as well as abrasion and tears

The top center bolt hole has been deleted on most aftermarket valve covers and do not have any effect on sealing

4-7/8 in ID

Aluminum Drive Flange - 0

Klotz Storbilizer Fuel Stabilizer - Gas / E85 - 1 Pint Bottle (Case of 10) HRCCL110245-12 A proprietary blend of siliconeProduct Description: Fuel Additive Storbilizer Stabilizer 1 pt Gas E85 Set of 10 For over 60 years, racers and performance enthusiasts around the world have relied on Klotz to grab the checkered flag. Developing products for the motorsports industry is our passion. The tradition of race testing Klotz products continues to this day. In fact, by the time a Klotz product reaches your engine, its spent countless hours on the dyno and proven on the race