Page 204 - 2018 Racecar Engineering Open Wheel Parts and Accessories Catalog

Bump Springs Quarter Midget 1-5/8" ID X 4-1/4" Tall Springs
Designed to be used in conjunction with a primary spring, Bump +L]LSVWLK [V TLL[ [OL ZWLJPÄJ YLX\PYLTLU[Z VM 8\HY[LY 4PKNL[
Springs allow the car to have a relatively soft initial spring rate and racing, OBD (Optimum Body Diameter) springs are manufactured
achieve the optimum ride height, while increasing the rate to achieve from high tensile material and optimized by adjusting the spring
a constant, “dynamic ride height”. body diameter relative to the end coils.
Free Design Rate Part No.
Part No. Length OD ID Load Rate Part No.
HYP24BS0800 2.400" 1.928" 1.338" 887 75 HYP184.25Q075
HYP24BS1000 2.400" 1.950" 1.338" 1073 80 HYP184.25Q080
HYP24BS1200 2.400" 1.940" 1.300" 1265 87 HYP184.25Q087
HYP24BS1400 2.400" 1.962" 1.300" 1464 94 HYP184.25Q094
HYP24BS1600 2.400" 1.940" 1.260" 1565 100 HYP184.25Q100
108 HYP184.25Q108
116 HYP184.25Q116
124 HYP184.25Q124
132 HYP184.25Q132
Conventional Coil Springs Reference 140 HYP184.25Q140
• 5" front springs fit 1964-72 Chevelle, 1967-69 Camaro and 1968-74 Nova 150 HYP184.25Q150
• 5-1/2" front springs fit 1973-up Chevelle, 1970-up Camaro, 1975-up Nova
and most Fords
• 1-7/8" and 2-1/4" are also available on a special order basis...
Call for details.

Tire Grooving Iron IHK125
The pistol grip is light and stays cool. The solid brass head keeps the heat “just ahead” of the cutting blade to quickly groove dirt track
tires. Cut depth is controlled by the ad just able blade. Iron has a 250 watt capacity, and includes .215" wide brass #4 head, twelve #4 blades
and 7-foot power cord.
Part No. Description Part No. Description
Replacement Round Blades Replacement Heads
IHKBL01 #1 Blades (12) IHKHD01 #1 Head .053" Wide
IHKBL02 #2 Blades (12) IHKHD02 #2 Head .090" Wide ALL10540
IHKBL03 #3 Blades (12) IHKHD03 #3 Head .150" Wide
IHKBL04 #4 Blades (12) IHKHD04 #4 Head .215" Wide
IHKBL05 #5 Blades (12) IHKHD05 #5 Head .290" Wide
IHKBL06 #6 Blades (12) IHKHD06 #6 Head .375" Wide
IHKBL08 #8 Blades (12) IHKHD08 #8 Head .500" Wide
IHKBL10 #10 Blades (12) IHKHD10 #10 Head .625" Wide
IHKBL12 #12 Blades (12) IHKHD12 #12 Head .750" Wide

ANDY CHEHOWSKI TROY CHEHOWSKI JOHNNY B
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