GM Performance No. 19201805 By concentrating more mass at the fulcrum, the Ultralite Pro can withstand a much heavier spring than the Ultralite without compromising any oscillating weight. 10mm bolt down versions are available, in addition to the factory 8mm easyfit (EF). Intended for those who need lightweight rocker arms but insist on heavier springs! Specifications: BRAND: ULTRALITE PRO APPLICATION: STREET/FACTORY REPLACEMENT MAX OPEN SPRING PRESSURE: 480lbs MAKE: CHEVROLET ENGINE: LS7/LSX w/ MAMO MOTORSPORTS LS7 MOUNTING STYLE: SHAFT MOUNT ROCKER ARM RATIO: 1.8 STUD SIZE: 10mm ADJUSTABLE/HYDRAULIC: HYDRAULIC ROCKER ARM STYLE: FULL ROLLER ROCKER MATERIAL: ALUMINIUM ROCKER ARM BODY STYLE: STANDARD ROCKER ARM NUT STYLE: CAPSCREW MAX SPRING DIAMETER: 1.437 INLET OFFSET: YES QTY: SET OF 16 NOTE: EASY FIT
GM Performance No. 19201805 By concentrating more mass at the fulcrum, the Ultralite Pro can withstand a much heavier spring than the Ultralite without compromising any oscillating weight. 10mm bolt down versions are available, in addition to the factory 8mm easyfit (EF). Intended for those who need lightweight rocker arms but insist on heavier springs! Specifications: BRAND: ULTRALITE PRO APPLICATION: STREET/FACTORY REPLACEMENT MAX OPEN SPRING PRESSURE: 480lbs MAKE: CHEVROLET ENGINE: LS7/LSX w/ MAMO MOTORSPORTS LS7 MOUNTING STYLE: SHAFT MOUNT ROCKER ARM RATIO: 1.8 STUD SIZE: 10mm ADJUSTABLE/HYDRAULIC: HYDRAULIC ROCKER ARM STYLE: FULL ROLLER ROCKER MATERIAL: ALUMINIUM ROCKER ARM BODY STYLE: STANDARD ROCKER ARM NUT STYLE: CAPSCREW MAX SPRING DIAMETER: 1.437 INLET OFFSET: YES QTY: SET OF 16 NOTE: EASY FIT