Page 418 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog

Coil-Over Racing Spring Rubbers Trailing Arm Easy Adjusters
Make quick, precise rate changes to any 2-1/2", Perform large or small pinion changes by
5", or 5-1/2" diameter springs. Made of polyure- simply loosening the 3/4" trailing arm bolt HOW318927R
thane in three hardnesses. DQG WXUQLQJ WKH ¿QH WKUHDG DGMXVWHU XS RU
2-1/2" Dia. 5"/5-1/2" Dia. (Up to 850#) down 1/16" per turn. Offered in original or
Description Part No. Part No. ORZ SUR¿OH GHVLJQV PRXQWV DWWDFK WR WKH
Soft Spring Rubber HOWSA4310 HOWSA1310 frame with two 5/8" bolts.
Medium Spring Rubber HOWSA4915 —
Hard Spring Rubber HOWSA5720 HOWSA1620 Part No. Description
HOW318927R Right Side, Original
HOW318927L Left Side, Original
5” Coil-Over Adapter HOW30203 HOW318928R Right Side, Low Profile
5" coil-over adapter allows using existing 2-1/2" coil- HOW318928L Left Side, Low Profile
5/8" Threaded Bushing,
over hardware from AFCO, Bilstein, and Pro, adapting HOW31899 2-1/4" Long Bushing Welds
them for use with a 5" spring. Powder coated adapter Into Frame Rail 4" Apart
LV YHU\ VWURQJ \HW OLJKWZHLJKW 6ROG LQGLYLGXDOO\ WZR
required per spring.
Steel Bird Cages
'HYHORSHG ZLWK WKH LQSXW RI GLUW PRGL¿HG UDF-
Lower Spring Cups ers, steel bird cages incorporate inner bearings
to keep weight at a minimum, and are available
Spring cups, which bolts to axle tube, are offered
to accept 2-1/2" or 5"/5.5" springs. WR ¿W D ZLGH YDULHW\ RI FKDVVLV 6WDQGDUG ELUG
cage weighs 10.96 lbs., and features an integral
Part No. Description and adjustable shock mount. Optional high-trav-
Lower Spring Cup,
HOW30391 el shock mount may be used with the Standard
Accepts 5"/5.5" Spring With HOW31991
Lower Spring Cup, bird cage.
HOW30392
Accepts 2-1/2” Spring With HOW31991 Part No. Description
HOW31999 Standard Bird Cage
HOWCO394 Bolt-In Mount Block For HOWC0393
Bump Stop Tech 101
HOW89010 Stock Replacement Hubs
Professionally produced by Tony Blanchard 6XUH WR EH SRSXODU RQ 0RGL¿HGV WKHVH OLJKW
of Race 101, DVD illustrates the basic prin- weight durable two-piece cast 5 x 5 hubs are
cipals and fundamentals of using bump stop direct replacement for original equipment units.
set-ups. Two-piece design allows using virtually any popu-
lar 8-bolt racing rotor.
Part No. Application
Pinto Spindle Hub Assembly, Includes Hub, Bearings, Races,
HOW205350
Lightweight Steel Panhard Mounts Seal, Studs, Bolts And Dust Cover
Strong, lightweight steel mounts have threaded HOW205351 Impala Spindle Hub Assembly, Includes Hub, Bearings, Races,
Seal, Studs, Bolts And Dust Cover
holes on each side for quick, easy Panhard HOW205345 Chevelle Spindle Hub Only With Races And Studs Installed
FKDQJHV %ODFN DQRGL]HG PRXQWV ¿W RU HOW205346 Impala Spindle Hub Only With Races And Studs Installed
2" square or rectangular tubing and weigh just
over 2 lbs. Bolts are included. IMCA legal.
Pinto/Mustang II Caliper Mounts
Part No. Description
HOW30781 Panhard Mount, 2" x 2" Used with the HOW205350 hub, heavy-duty,
HOW30782 Panhard Mount, 1-1/2" x 1-1/2" ELOOHW VWHHO PRXQWV ¿W WKH SRSXODU
3LQWR 0XVWDQJ ,, VSLQGOH DQG DFFHSW
GM D52 or Metric calipers with an 11-3/4"
Cast Steel Panhard Mount racing brake rotor.
HOW30780 Part No. Description HOW34052
Mount clamps to 1-3/4" tubing. Light as alumi- HOW34052 GM D52 Caliper Mount
num, but legal where aluminum is not allowed. HOW34055 GM Metric Caliper Mount

4-Piston To GM D52 Caliper Bracket
Cast Steel Clamp-On
Trailing Arm Mount HOW31991 HOW34050
Designed for Wide 5 applications, .100"
Cast steel, two-piece mount has 50% more clamp-
ing power than aluminum mounts. Trailing arm offset hybrid caliper bracket adapts 4-pis-
ton brake application to GM D52 calipers.
holes are threaded 3/4"-10 and the shock mounts Meets various track or sanctioning body
are 1/2"-13.
rules.

414 2019-20 CIRCLE TRACK PARTS AND ACCESSORIES