Mark II 10-Spline “Ultra-Duty” Quick Change Pro Gears 4XDUWHU0DVWHUXVHVWKHKLJKHVWTXDOLW\( VWHHOIRUWKHLU3UR*HDUVDQG¿QLVKHVWKHPZLWKD heat-treat process for maximum strength. All gear sets are lightened except 5, 15, and 25.
Number of Teeth
Spur Ratio
4.11 R&P Hi
4.11 R&P Lo
4.86 R&P Lo
4.86 R&P Hi
Number of Teeth
Spur Ratio
4.11 R&P Hi
4.11 R&P Lo
4.86 R&P Lo
4.86 R&P Hi
Part No.
Set No.
Part No.
Set No.
QTR911318 22 22/29 1.318 5.42 3.12 3.68 6.40 QTR911333 16 18/24 1.333 5.48 3.08 3.64 6.48 QTR911350 10 20/27 1.350 5.55 3.05 3.60 6.56 QTR911364 34 22/30 1.364 5.61 3.01 3.56 6.62 QTR911381 34Q 21/29 1.381 5.68 2.98 3.52 6.71 QTR911391 14 23/32 1.391 5.72 2.95 3.49 6.76 QTR911400 14Q 20/28 1.400 5.76 2.94 3.47 6.80 QTR911409 35 22/31 1.409 5.79 2.92 3.45 6.84 QTR911421 32 19/27 1.421 5.84 2.89 3.42 6.90 QTR911435 32Q 23/33 1.435 5.90 2.87 3.39 6.97 QTR911450 24 20/29 1.450 5.96 2.84 3.35 7.04 QTR911476 37 21/31 1.476 6.07 2.78 3.29 7.17 QTR911500 23 22/33 1.500 6.17 2.74 3.24 7.29 QTR911524 21 21/32 1.524 6.26 2.70 3.19 7.40 QTR911533 21Q 15/23 1.533 6.30 2.68 3.17 7.45 QTR911563 43 16/25 1.563 6.42 2.63 3.11 7.59 QTR911600 29 20/32 1.600 6.58 2.57 3.04 7.77 QTR911625 30 16/26 1.625 6.68 2.53 2.99 7.90 QTR911714 31A 14/24 1.714 7.05 2.40 2.83 8.33
QTR911029 1Q 35/36 1.029 4.23 4.00 4.72 5.00 QTR911053 15 19/20 1.053 4.33 3.91 4.61 5.11 QTR911074 26 27/29 1.074 4.42 3.83 4.52 5.22 QTR911091 6 22/24 1.091 4.48 3.77 4.45 5.30 QTR911105 25 19/21 1.105 4.54 3.72 4.39 5.37 QTR911115 12 26/29 1.115 4.59 3.69 4.45 5.42 QTR911130 7 23/26 1.130 4.65 3.64 4.30 5.49 QTR911143 7Q 21/24 1.143 4.70 3.60 4.25 5.55 QTR911160 17 25/29 1.160 4.77 3.54 4.19 5.63 QTR911174 8Q 23/27 1.174 4.83 3.50 4.14 5.70 QTR911190 19 21/25 1.190 4.89 3.45 4.08 5.78 QTR911211 9 19/23 1.211 4.98 3.40 4.01 5.88 QTR911227 11 22/27 1.227 5.05 3.35 3.96 5.96 QTR911238 3 21/26 1.238 5.09 3.32 3.92 6.01 QTR911250 13 24/30 1.250 5.14 3.29 3.89 6.07 QTR911273 18Q 22/28 1.273 5.23 3.23 3.82 6.18 QTR911278 4Q 18/23 1.278 5.25 3.22 3.80 6.21 QTR911286 20Q 21/27 1.286 5.29 3.20 3.78 6.24 QTR911292 4 24/31 1.292 5.31 3.18 3.76 6.27
Redline Multi-Recall Tachometers Precision 3" diameter tachometers combine accuracy and reliability with added multi-recall features. The built-in multi-recall function al- lows recalling the four highest (straightaway) and four lowest (corner) RPM readings to help determine proper gearing, while the program- mable shift light aids in performing timely shifts when needed. Bright LED-lit 0-10,000 RPM tachs are offered with black or white dial faces. Part No. Description QRP63-001 Digital tachometer's compact 2-5/8" diam- eter allows it to be installed into any Extreme gauge panel. Tachometer may be used simply as an RPM indicator, or as a shift light. RPM settings are adjusted by simply touching the OHQVZLWKD¿QJHU8QLWDOVRLQFOXGHVDUHFDOO feature that displays the highest RPM attained during the race. QuickTach LCD Recall Tachometers QuickTach automatically displays the QRP63-002 Extreme LED Digital Tachometer QRP611-7010 highest RPM attained from the last race for 15 minutes after shut-down. Digital LCD unit is enclosed in a waterproof aluminum case and has an easily-read, 3/4" x 2-3/4" display. Powered by a 9-volt battery. Tach includes mounting brackets. Not for use with magneto. Part No. Description QRP611-099
Quick Timer NEW! QRP67-107 Great for circle track, road courses, etc., or any kind of racing that crosses the same starting point each lap, GPS-equipped 2-1/16” digital gauge measures if a com- pleted lap was faster or slower than the previous lap. Faster? Green light and the time reduction is shown in the LED display. Slower? Red light, and the display shows
Multi-Recall Tachometer, White Multi-Recall Tachometer, Black
just how much slower. The driver can experiment with different lines on the track and get immediate feedback on lap times. Multi-Recall Digital Tachometer NEW! 611-106
,QQRYDWLYHWDFKRPHWHUFRPELQHVWKHEHQH¿WVRIDFRPSDFW 4" wide x 2-1/2" high size with an easy-to-read, digital backlit display and a programmable RPM warning/shift light. Once the engine is shut off, the tach displays the (10) highest and (10) lowest RPM readings from the previous race, aiding car set-up. An RPM graph allows scrolling, selecting and replaying all RPM events as desired. Compatible with multiple cylinder engines.
QuickTach, White/Red with Checkered Flag
QRP611-100 QRP611-098
QuickTach, Black
Wiring Harness for QuickTach
645
CIRCLE TRACK 2021-22
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