JE Pistons Pro Steel Series Piston Rings 4.155" Bore File Fit 1.2 x 1.5 x 3.0 mm Thick - Standard Tension 57750BK GMC: Savana 3500 21 -

GMC: Savana 3500 21 - 22 6

Additional and significant performance improvements can be seen by reducing the weight of the pulley versus the original pulley which is why we recommend the BBK CNC Machined billet aluminum pulley kits for maximum horsepower gains

Vehicle Applications: Ford F-250 Super Duty 2019-2017

This is a 1" thick spacer for Holley 2BBL carbs with matching intakes

Crower's all new "CoolFace" lifter option is a must for these applications

JE Pistons Pro Steel Series Piston Rings 4.155" Bore File Fit 1.2 x 1.5 x 3.0 mm Thick - Standard Tension 57750BK GMC: Savana 3500 21 -Product Description: Piston Rings Premium Race Series 4. 155 in Bore File Fit 1. 2 x 1. 5 x 3. 0 mm Thick Standard Tension Steel Nitride 8 Cylinder JE Pistons is the leader in high performance forged pistons. JE Pistons has built a reputation that the competition can only follow. JE Pistons has a history of manufacturing the highest quality pistons and components that professional engine builders, race teams, and high performance enthusiasts alike