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TOOL STEEL KEYWAY ROLLER LIFTERS

Since their release over 15 years ago, Jesel has built our Precision Roller Lifters with features that other companies are just starting to call standard. Features such as the use of exotic materials for the rollers and axles, friction reducing coatings on the bodies and precision sorted bearings that are cooled and kept free from debris by pressure fed oiling have been incorporated into every Jesel lifter made since 1995.

Jesel Keyway lifter bodies are fitted with a keyway pin that rides in an index slot milled in a bronze lifter bushing. This design provides precise cam/roller alignment and eliminates the added weight of tie bars or tall lifter bodies associated with Dog Bone-style lifters.

Jesel Keyway lifters are available in .937”, 1.062” and 1.095” lifter body diameters and various roller diameters. The smallest combination of body diameter and roller scales in at just 97 grams. Keyway lifters require special engine block machine work to install the Jesel bronze keyway bushings. Jesel also offers a Keyway Bushing Installer that ensures perfect bushing alignment.

Oil flow should never be restricted to any Jesel Precision Roller Lifter.

STANDARD FEATURES

Available in .937”, 1.062” or 1.095” diameters
Centered, .050” or .150” pushrod seat locations
Hardened keyway pin keeps lifter from rotating within bronze bushing
DLC coated tool steel body reduces friction and wear
Easy in-engine lifter removal
Wide selection of roller diameters
Exclusive oil circuit lubes pushrods, roller, cam, and needle bearings
Internal locking pin eliminates snap rings
Optional roller sizes available



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OPEN POCKET LIFTERS

The Jesel Open Pocket Keyway lifter is our standard design keyway style lifter. The Open Pocket design allows for the use of larger diameter rollers with a wider contact path on the cam lobe. The open pocket reduces the weight of the lifter while allowing more oil to lubricate the roller. The .937” diameter lifters are available with either .785” or .850” diameter roller and the 1.062” lifters come with a choice of .785”, .850” or .940” diameter rollers. A centered, .050” or .150” offset pushrod cup is available.

FULL BODY LIFTERS

The Jesel Full Body Keyway lifter features the roller surrounded by the lifter body for added strength and support in the thrust area on the lifter body. Combinations include a .937 diameter lifter featuring a .785” diameter roller, a 1.062” lifter can be ordered with either a .785” or .850” diameter roller and our 1.095” diameter lifter includes a .940” roller. A centered, .050” or .150” offset pushrod cup is available.

SPECIFICATIONS

Lifter Diameter
.937
.937
1.062
1.062
1.062
1.095
Roller Diameter
.785
.850
.785
.850
.940
.940
Needle Length
.500
.500
.500
.500
.500
.500
Weight / Grams
97g
102g
113g
118g
125g
138g

OFFSETS



Centered


.050 Offset


.150 Offset
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