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Hydraulic Roller Retro-Fit ProMax High RPM Lifters; Chevy Gen III (LS-Series) Howards Cams 91175 - Howards Cams - 91175
Retro-Fit ProMax High RPM Chevrolet Gen III (LS-Series) Hydraulic Roller Lifters Designed to operate at rpm ranges over 7000 rpm. All new internal valving for increased rpm, torque and horsepower. The lifter body is fully machined from alloy steel bar stock. The nose wheel is machined from 8620 material and case hardened for durability. Note: spring pressure requirements for these lifters are 200-225 lbs. seat pressure, 500-575 lbs. open pressure. Specific lash adjustments are also required. Made in the USA!
|Level1||Level 1: Engine|
|Level2||Level 2: Valve Train Components|
|Warranty||6 months from the date of original retail purchase. Replace to the original purchaser only|