Page 370 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog

ULTIMATE DUTY SMALL BLOCK CHEVY PRO SERIES
VALVE SEALS 4340 FORGED CRANKSHAFTS
Premium PC valve seals are manufactured
from space age fluoropolymer and are toler-
ant to pump gas, alcohol or nitromethane.
Self-lubricating seals provide controlled radial
tension, while allowing a very small amount of
oil for valve guide and stem lubrication. Sold in sets of 16.
Guide Valve Overall Guide
Part No. Description I.D. I.D. O.D. Height Contact Top quality 4340 steel crankshafts are forged in the USA and machined by
HRC93311 11/32" x .500" Guide .494" .337" .630" .460" .120" Callies Performance Products. Crankshafts have journals with .125" Tru-Form
HRC93316 11/32" x .531" Guide .524" .337" .630" .460" .120"
fillet radii and 1" dia. Angalite lightening holes in all rod throws. Callies’ Perma-
Tough surface hardens the units to a depth of .080". Main and rod journals have
a roundness within 60 millionths and taper is held within .0003".
Part No. Description Main Stroke Rod Length
HRC353860 SB Chevy Crankshaft 350 3.875" 6.000"

CAST SPINDLES
Ideal when class rules prohibit tubular steel spindles.
SMALL 5X5 HUB KITS Rigid, 4140 steel spindles include a tapered hole for tie
rod ends, but may be drilled for use with 5/8" heims.
The standard hubs for short track racing, they minimize heat transfer from Accepts Howe caliper brackets (HOW339L or HOW339R)
the rotor to the bearings. Aluminum hubs are recommended anywhere they are and 1974-81 Chevy C10 or 1970-73 Impala hubs.
allowed, except for the right front on cars weighing over 3,000 lbs. Hub kits are Part No. Description
available in several versions.
HOW344GN Right Spindle
HOW344GNL Left Spindle
SMALL 5x5 HUB KITS LESS DUST COVER
Hubs are offered separately with races and coarse STRUT SPINDLES
thread studs only, or in kit form, complete with wheel Designed for cars with a 101 Series front clip, spindles are
bearings, grease seal, spindle nut, lug nuts, rotor manufactured to utilize different degree spindle inserts for
fasteners and necessary hardware. Dust cover NOT upper taper. Spindles, which offer 4.5" drop and 9.25"
included. Offered in 8-bolt versions only. height, are engineered for use in conjunction with
Hub Only Hub and Kit wide 5 hubs, 11.75" diameter x 1.25" thick rotors
Description Part No. Part No. and four-piston, rear position brake calipers. Spindle inserts must
Aluminum 5x5 Hub Kit HOW36558 HOW205100 be purchased separately.
Steel 5x5 Hub Kit HOW36568 HOW205300
Part No. Description
HOW34712 Right Spindle, Threaded Steering Arm
SMALL 5X5 HUB KITS WITH DUST COVER HOW34712L4A Left Spindle, Adjustable Steering Arm
Complete kits include hub, wheel bearings, races, grease seal, spindle nut, Spindle Inserts
coarse thread drive studs, lug nuts, rotor fasteners, dust cover and necessary HOW347DET00 0° Spindle Insert
hardware. HOW347DET01 +/-1° Spindle Insert
Front Hub Kit Rear Hub Kit HOW347DET02 +/-2° Spindle Insert
Description Part No. Part No.
Aluminum 5x5 Hub Kit HOW205198 HOW205298 SPINDLE TAPER MACHINE REAMERS
Steel 5x5 Hub Kit HOW205118 HOW205218
Note: Aluminum 5x5 hubs should not be used on the right front on asphalt Ideal when spindles must be enlarged, heavy duty reams are
tracks with more than 25° of banking. Steel hubs should be used. engineered for use in a drill or other machine. Left
helical right cutting reams are offered in 1.5"
or 2.0" per foot tapers.
Part No. Description
SMALL 5x5 AND 5x4.75" HOW84015 Spindle Reamer, 1.5" Per Ft. Taper
HUB COMPONENTS HOW84020 Spindle Reamer, 2.0" Per Ft. Taper
Part No. Description UPPER A-FRAME MOUNTS
HOW20539 Aluminum Front Dust Cover Mounts weld to chassis. Choose from mounting block or
HOW20540 Countersunk Screw For Dust Cover tower style. Mounting block eliminates the use of shims on
HOW20549 Rear Drive Flange, 5 x 5 And 5 x 4.75" Steel upper control arms; simply loosen jam nut and turn adjuster
HOW20550 Gasket For 5 x 5 Hubs screw to change caster and camber. Tower mount is slotted
HOW20551 Rear Drive Flange Screw, 5 x 5 and inset, allowing different position keys to simplify up-
HOW21250 Snap Ring per A-frame adjustment. All mounts are sold each.
HOW21255 Hub Seal, All Except Magnesium W5 Part No. Description
HOW205495 Rear Drive Flange O-Ring, 5 x 5 HOW22605 Upper A-Frame Tower Mount, Standard
Upper A-Frame Mounting Block
HOW22688
HOW205496 Rear Drive Flange, 5x5 Steel With Aluminum Cap HOW2286 Hardware For HOW22688
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