Page 429 - 2021-22 Auto Performance_Circle Track

Racing Valve Springs
Engineered for racing use, springs are precisely coiled and heat-treated. Sold in sets of 16.
Seat 7° 10°
Part No. Description O.D. I.D. Pressure Open Pressure Rate Coil Bind Retainer
Retainer
Performance Valve Springs
HRC98212
Single with Damper
1.265"
.875"
115@1.780"
340@1.250"
425
1.150"
HRC97112
HRC97132
HRC98213
Single with Damper
1.265"
.878"
120@1.800"
375@1.250"
464
1.100"
HRC97112
HRC97132
HRC98214
Single with Damper
1.250"
.870"
115@1.700"
300@1.250"
411
1.160"
HRC97112
HRC97132
Max Effort Valve Springs
HRC98215
Single with Damper
1.265"
.878"
120@1.800"
375@1.250"
460
1.100"
HRC97112
HRC97132
HRC98212-K12*
Single w/Damper
1.265”
.876”
115 @ 1.780”
340 @ 1.250”
425
1.150”
—
—
HRC98213RS
Single w/Damper
1.265”
.875”
120 @ 1.800”
350 @ 1.200”
430
1.100”
—
—
HRC98214-K11†
Single w/Damper
1.250”
.870”
115 @ 1.700”
340 @ 1.250”
411
1.160”
—
—
HRC98412-K11†
Single w/Damper
1.445”
1.040”
120 @ 1.680”
295 @ 1.175”
350
1.100”
—
—
HRC98438-K12*
Dual w/o Damper
1.465”
.807”
122 @ 1.650”
353 @ 1.100”
425
.950”
—
—
HRC98511-K31†
Single w/Damper
1.485”
1.061”
115 @ 1.800”
310 @ 1.250”
355
1.150”
—
—
HRC98438-K12*
Dual w/Damper
1.465"
.807"
122 @ 1.650"
353 @ 1.100"
425
.950"
—
—
HRC98512
Dual w/o Damper
1.514"
.795"
145 @ 1.900"
360 @ 1.300"
360
1.150"
—
—
HRC98636-K32*
Dual w/Damper
1.514"
.697"
130 @ 1.875"
330 @ 1.300"
348
1.150"
—
—
HRC98636-K11†
Dual w/Damper
1.514”
1.125”
130 @ 1.875”
330 @ 1.300”
348
1.150”
—
—
* Kit includes valve springs, 10° chrome moly retainers and valve locks. † Kit includes valve springs, 7° chrome moly retainers, and valve locks.
Direct Lube Hydraulic Lifters
HRC91116
Offered for Chevrolet V-8 only, lifters are engi-

featuring aggressive opening and closing rates. Lifters deliver a constant supply of oil to the cam lobes, reducing lobe wear. Sold in set of 16.
Street Series Retro-Fit
Hydraulic Roller Lifters HRC91166
-
tions, lifters are assembled using cold-formed
bodies that have been nitride-coated and tem-
pered for hardness, hardened and tempered roller wheels, and high-alloy steel tie bar buttons. Engineered for applications up to
“The Original”
Direct Lube Solid Lifters

bottom of the lifter which delivers a constant

wear and added durability, particularly when
higher valve spring pressures are employed. Sold in sets of 16.
Part No. Description
Track Smart 4340 Forged Steel Crankshafts
Computer designed, “Track Smart”
-
structed using precisely placed coun-
terweights for improved balance and
reduced bearing loads. All rod journals

clearance. All journals include a large, .125” radii and require chamfered bearings. Crankshafts are additionally hardened with a deep nitride for increased wear resistance.
Pro Lite Direct Lube Mechanical Roller Lifters

20 grams lighter than many competitor’s lightweight
lifters. Lifters are assembled using durable 8620 steel
-
pin oilers offer improved durability. Sold in sets of 16.
Part No.
Racemax Vertical Bar
Mechanical Roller Lifters NEW!
HRC91134
Description
HRC91137
SB Chevy 265-400
HRC91132
SB Chevy 265-400, +.300" Tall

lifters are engineered for small block Chevy
applications and feature a standard, centered
weigh just 235 grams. Set of 16.
Sport Max Chevy Mechanical Roller Lifters
HRC91118
Chevy V-8
HRC91218
Ford 221-351W, 351C
Part No.
Description
Main Stroke
Rod Length
HRC91152
Engineered for the sportsman racer, these small

lube pin oilers offer added durability. Black oxide -
Ultimate-Duty Valve Seals

to pump gas, alcohol, or nitromethane. Self-lu- bricating seals provide controlled radial tension, while allowing a very small amount of oil for
valve guide and stem lubrication. Sold in sets of 16.
HRCH353756012T
SB Chevy, Int. Bal., 2-Pc. Rear Main
350
3.750"
6.000"
HRCH353876012T
SB Chevy, Int. Bal., 2-Pc. Rear Main
350
3.875"
6.000"
HRCH354006012T
SB Chevy, Int. Bal., 2-Pc. Rear Main
350
4.000"
6.000"
HRCH403756012T
SB Chevy, Int. Bal., 2-Pc. Rear Main
400
3.750"
6.000"
Guide Valve
Part No. Description I.D. I.D. O.D.
Overall Height
Guide Contact
427
HRC93311
11/32" x .500" Guide
.494"
.337"
.630"
.460"
.120"
HRC93311
11/32" x .531" Guide
.524"
.337"
.630"
.460"
.120"
TRACK
CIRCLE 2021-22