Page 3 - Straub LS Catalog

Valve Train Parts
LS Roller Lifters
We supply both Morel and Delphi lifters for the LS engines. All Morel lifters are made to their exact tolerances. Every Morel lifter is leak tested to insure quality and Slow Leak Down rate. All Delphi lifters are GM QC’d and certi ed.
Legend and De nitions
U/P
Ultra Pro Body. Full body design that is more stable at high rpm.
T/B
Tie Bar. Vertical tie bar to retro t the given engine.
HLT
Hyd. Limited Travel. It is a hyd roller lifter that is treated like a solid roller lifter. Cheater lifter.
P/O
Pressurized Oiling. Direct pressure fed oiling to the needle bearings and axle.
O/C
On Center. Pushrod cup is centered. If off set it will be .180 and either Left or Right
NBA
NASCAR Bearing Axle. Developed with a top NASCAR team this needle bearing assembly is for high endurance applications.
UFRS
Bushing Lifter. Instead of needles this lifter has a bushing in it.
BM
Black Mumba High Endurance High Spring Load Lifter
Morel Street Series Hydraulic and Solid Roller
Set Part No.
Pair Part No
Application
Solid Roller
5989
5988
Ls .842D T/B Street Perf Mech Roller; Fits 5 Head Bolt Pattern
Hydraulic Roller
6470
6471
Ls .842D Drop in Polished Body Lock Ring Axle Up to .360”lobe lift Min Base Circle 1.445”
5290
5289
Ls .842D T/B Street Perf Hyd Roller; Fits 5 Head Bolt Pattern
Delphi Hydraulic Roller
Part No.
Application
12499225
All LS applications using GM lifter guides
Pro Series Mechanical Roller
Set Part No.
Pair Part No
Application
4737
5911
Ls .842D mech roller for std & hi lift ts ls stock lifter guides
5452
5451
Ls .842D t/b mech roller for std & hi lift; ts 5 head bolt heads
Pro Series Mechanical Roller
NOT RECOMMENDED FOR STREET USE. DRAG RACE ONLY.
Delphi lifters are available in bulk orders. Call 423 391 7774 3