Klotz Pure Estorlin 20W50 Synthetic Motor Oil - 1 Qt (Case of 10) 3552024-23-XXL The Holley tall LS valve

The Holley tall LS valve covers fit LS1

NOS Super Powershot Nitrous System 05101NOS V8 w/Holley/Carter 4 bbl - w/10 lb

and 20W-50

Carb pad height: 5

They are available with either a beveled or rolled outlet edge profile

Klotz Pure Estorlin 20W50 Synthetic Motor Oil - 1 Qt (Case of 10) 3552024-23-XXL The Holley tall LS valveProduct Description: Motor Oil Pure Estorlin 20W50 Synthetic 1 qt 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 track.