Page 385 - 2022-23 Auto Performance Open Wheel Catalog

6-Spline Quick-Change Gears
Manufactured from aircraft-grade 9310 alloy for maximum strength, 6-spline quick-change gears are crown hobbed,
broached for 6-spline shaft fit, and black oxide-finished for corrosion protection. Gears undergo a five-step heat-treating process to deliver maximum durability.
Number Gear
Part No.
of Teeth
Ratio Low
3.78 R&P
4.11 R&P
4.33 R&P
High
Low
High
Low
High
SCS62
26/27
1.038
3.64
3.93
3.96
4.27
4.17
4.50
SCS63
26/28
1.076
3.51
4.07
3.82
4.43
4.02
4.66
SCS625
18/24
1.333
2.84
5.04
3.08
5.48
3.25
5.77
SCS623
16/22
1.375
2.75
5.20
2.99
5.65
3.15
5.95
SCS68
20/28
1.400
2.70
5.29
2.94
5.75
3.09
6.06
SCS622
19/27
1.421
2.66
5.37
2.89
5.84
3.05
6.15
SCS69
16/23
1.437
2.63
5.43
2.86
5.91
3.01
6.22
SCS610
22/32
1.454
2.60
5.50
2.83
5.98
2.98
6.30
SCS611
SCS612
16/24
1.500
1.523
2.52
2.48
5.67
5.76
2.74
2.70
6.17
2.89
6.50
21/32
6.26
2.84
6.60
SCS613
18/28
1.555
2.43
5.88
2.64
6.39
2.78
6.74
SCS615
15/24
1.600
2.36
6.05
2.57
6.58
2.71
SCS616
16/26
1.625
2.33
6.14
2.53
6.68
6.93
2.66
7.04
SCS617
20/33
1.650
2.29
6.24
2.49
6.78
2.62
7.14
SCS618
20/34
1.700
2.22
6.43
2.42
6.99
2.55
7.36
Aluminum Roller Rocker Arm Sets
Sharp is the original producer of needle-bearing roller-tip aluminum rocker arms. Friction-free design has shown gains of 15-40 horsepower. Note: For single rocker arms add “-1” to the end of the part number.
Replacement Adjusting Nuts for Roller Rocker Arms
Part No. Stud
Ratio
SB Chevy 265-400
SHPS1001
3/8"
1.5
SHPS1002
3/8"
1.6
SHPS1004 *
7/16"
1.5
SHPS1005
7/16"
1.6
SHPS1006
7/16"
1.65
* Signifies rocker arms that are also available by special order with .050" or .150" offset intakes.
Part No. Description
SHPPL038K
3/8" Adjusting Nut, 4 Per Pack
SHPPL716K
7/16" Adjusting Nut, 4 Per Pack
NEW VENDOR
Do-it-yourself kit allows making custom ear molds for truly optimum comfort and unsur- passed audio performance. Includes syringe, two-part impression material, and instructions.
Challenger Semi-Custom
Molded Ear Bud Speakers with 1/8" Mono Plug
RGRCHALLENGER-SEMI
Based off of a custom-style mold made to fit a variety of ears, these earbuds will have you hearing great quality audio while block- ing out environmental noise.
Crew Chief/Spotter
Headset and Radio Packages
Designed for crew chiefs or spotters, single person package combines the H42 headset with a digital handheld radio and coiled head- set jumper cable. Choose from packages with V3 or Digital UHF handheld radios.
Part No.
Nitro Bee UHF Receiver
RGRNITRO-BEE-UHF
Developed for race drivers and teams where scanners aren't legal, the Nitro Bee UHF re- ceiver offers reliable, one-way communication. Compact, affordable unit is sold complete with stereo ear buds and holster clip.
Custom Earbud Molding Kit
RGREAR-MOLD-KIT-G
Description
RGRCREW-RDH-U
Digital UHF Radio
RGRCREW-RDH-V3
V3 Analog Radio
2022-23 PARTS AND ACCESSORIES
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