Page 405 - 2022-23 Auto Performance Drag Racing

DRAG RACING
Camshaft Degree Wheel HRC92115
NEW!
Required when degreeing a camshaft, alu-
minum 14" diameter degree wheel is precision machined from lightweight aluminum and includes full, 360° valve timing events. Purple finish with white numerals.
Camshaft Degree Bushings
An easy method to advance or retard cam timing. Sold in packs of five. Requires drill- ing a 13/32" hole in the cam gear.
Part No. Description Performance Hydraulic Lifters
Rockwell tested lifters offer precise oil control for high-performance and racing use. Sets of 16.
ProMax Mechanical Roller Lifters HRC91198
Designed for big block Chevy Mark IV and Gen.
V/VI engines, ProMax mechanical roller lifters
feature “full-time” high-pressure oiling for in-
creased durability. Lightened steel alloy bodies
with a specially-enhanced finish are combined with heat- treated stainless steel link bars and case- hardened 8620 rollers. Lifters include a .300" taller body to fit early, late model, and aftermarket blocks. Set of 16.
Sportmax Mechanical Roller Lifters HRC91152
Engineered for the sportsman racer, small block
Chevy mechanical roller lifers are manufactured
in the USA using 8620 heat-treated steel bodies,
9310 steel rollers, and maximum strength bearings. Direct- lube pin oilers offer added durability. Black oxide finished for corrosion protection. Sold in sets of 16.
Horizontal Bar Mechanical Roller Lifters HRC91119
Lifters have alloy bar stock bodies, case-hard- ened 8620 roller bearings and are spring- loaded for easy cam changes. Fits small block Chevy 265-400. Sold in sets of 16.
Vertical Bar Mechanical Roller Lifters
Vertical bar lifters have 8620 heat-treated steel bodies and 9310 steel roller bearings for exceptional strength and durability. Sold in sets of 16.
Part No. Application
RaceMax Vertical Bar Mechanical Roller Lifters HRC91134
NEW!
Small block Chevy, .842" dia. mechanical roller lifters have a vertical bar design and +.300" lifter body height. Set of 16.
Billet Aluminum Roller Rocker Arms
CNC-machined aluminum roller rockers with-
stand over 800+ lbs. of valve spring pressure
and over .800" valve lift. Rocker arms
are purple anodized, with needle bearing
fulcrums and roller tips, centerless ground trunnions and thick wall adjusting nuts. Sets of 16.
Part No. Application Stud Ratio Valve Locks
Howards Cams offers a variety of heat treated,
forged steel valve locks, in 7° versions. All valve
locks listed are single groove design. Sold in sets of 16 pairs.
HRC94505
Bushing Set, 0°, 2°, 4°, 6°, 8°
HRC94510
Bushing Set, 0°, 1°, 3°, 5°, 7°
Part No.
Application
HRC91111
Chevrolet V8 265-454
HRC91112†
Chevrolet V8 265-454, Anti-Pump Up, Increases RPM Capability
HRC91116
Chevrolet V8 265-454, Direct Lube, Street/Strip
HRC91211
Ford V8 221-460, All Exc. “FE”
HRC91251
Big Block Ford "FE" 332-428 NEW!
HRC91411
Oldsmobile 260-455/Pontiac 326-455 NEW!
HRC91712
SB/BB Chrysler 273-440; American Motors 290-401 NEW!
†Pre-load must be set at .002"-.004" to achieve performance levels.
Performance Mechanical Lifters HRC91115
Ground crown faces extend lifter life. Rockwell tested. Fit all 265-454 Chevrolet V8’s. Sets of 16.
“The Original” Direct Lube Extreme-Duty Mechanical Lifters
HRC91117
SB Chevy 265-400
HRC91122
SB Chevy 265-400, +.300" Tall
HRC91127
BB Chevy 396-454
HRC91128
BB Chevy 396-454, +.300" Tall
HRC91217
SB Ford 221-351W
A precise EDM cut .021" hole in the face supplies oil to the cam face to increase durability and reduce lobe wear with higher valve spring pres- sures and aggressive lobe profiles. Sets of 16.
Part No.
Application
HRC91718
American Motors V8 304-401
HRC91118
Chevrolet V8 265-454
HRC91108-16
Chevrolet V8 265-454, Tool Steel NEW!
HRC91718
Chrysler “A” 273-360; “B”/“RB” 383-440
HRC91218
Ford V8 221-460, All Exc. “FE”
Maximum Effort Retro-Fit Hydraulic Roller Lifters
Popular retro-fit style lifters are CNC-machined and fitted with precision internal check ball valv- ing, preventing “pump up” while extending the usable RPM range. Sold in sets of eight pairs.
Part No. Application
ProMax High RPM Hydraulic Roller Lifters HRC91173
NEW!
HRC90070
SB Chevy 265-400
3/8"
1.50
HRC90072
SB Chevy 265-400
7/16"
1.50
HRC91160
SB Chevy 265-400
HRC91161
BB Chevy 396-454 Mark IV/Gen. 5
HRC91774
AMC/Chrysler V8
Engineered for big block
Chevy 396-454 Mark IV
engines fitted with a hydraulic
roller camshaft, lifters are de-
signed specifically to endure high-RPM operation. Lifters have a .903" body dia. and a +.300" lifter body height. Set of 16.
Part No. Type Stem Size Ultimate Duty Valve Seals
Lock Angle
Lash Cap Recess
Installed Height
HRC93005
HRC93010
Forged
11/32"
11/32"
Premium PC type seals are unaffected by fuels or temperatures up to 350°F. Sold in sets of 16.
7°
7°
No
No
Std.
Forged
+.050"
I.D. Guide
I.D. Valve
Overall Height
Inside Height
Guide Contact
Part No.
Description
HRC93311 11/32" x .500" Guide .494" .337" .630" .460" .340" .120" 403
O.D.
2022-23