Gaterman Products LLC

Precision Valve Train Components

· 3D CAD Designed and CNC Machined for Maximum Accuracy

· Heat Treated Chrome Alloy Steel Lifter Body for High Strength

· Precision Machined and Heat Treated Internal Components

· Check-ball Metering for Precise Control and Low Noise

· 100% Select-fit Components for Precise Leakdown Rate

· 100% Flow Checked Pushrod Socket for Precise Oil Metering

· Hardened, Tempered Certified 52100 Steel Roller and Needles

· Precision Riveted Axle for Maximum Retention

 

 

 

 

 

 

 

 

 

 

                                                                                                 

· 3D CAD Designed

· Carburized and Hardened Alloy Steel Lifter Body

· Precision Machined Internal Components

· 100% Select-fit Components for Precise Leakdown Rate

· 100% Flow Checked Pushrod Socket for Precise Oil Metering to the Rocker Arms

· Supplied Filled with Leakdown Fluid

· Hardened and Tempered Certified 52100 Bearing Steel Roller, Axle, and Needles

· Uses Stock or Aftermarket Anti-rotation Tie Bars and Retainer Plate

· Performance Street and Replacement Applications using Roller Block

· Bulk Packaged

· Depending on Application, Ford Part numbers

Motorcycle Hydraulic Roller Lifters

· Inner Race Style Roller Bearing for Increased Reliability

· Orbital Riveted Axle Clamps Inner Race to Roller Slot

· Superior Durability Compared to “Big Axle” Designs

· Surpasses OEM 18523-86 and S&S® No.33-5341.

 

· Pushrod Reliefs for Ease of Installation

Evolution   Performance

 

Twin Cam   Performance

 

®

®

· Triple Oil Feeds for Robust Oil Supply and Quiet Operation

· Single Locator Flat for Proper Orientation to Oil Supply

· Extended Body for Higher Lift Capability

· Oil Feed on Locator Flat to Lubricate Guide Pin

· Oil Feed to Roller Bearing Needles

· Pushrod Reliefs for Ease of Installation

Twin Cam   Replacement

 

Sportster  Replacement

 

®

®

V-Twin, Twin Cam 88, Evolution, Big Twin, Sportster, and Buell are registered trademarks of  Harley-Davidson Motor Company.

S&S is a registered trademark of S&S Cycle, Inc.

Part #

Application (Sold in Engine Sets)

 

 

GP1022

1991-1999 Sportster® and Buell®

 

Replaces OEM 18529-89

 

.904” Diameter

Part #

Application (Sold in Engine Sets)

 

 

GP1020

1984-1999 Evolution® Big Twin®

 

1986-1990 Sportster®

 

1987-1990 Buell®

Part #

Application (Sold in Engine Sets)

 

 

GP1021

Twin Cam 88®

 

2000-up Sportster® and Buell®   

 

Replaces OEM 18538-99A&B

 

.842” Diameter

Part #

Application (Sold in Engine Sets)

 

 

GP1023

Twin Cam 88®

 

2000-up Sportster® and Buell®