Page 60 - 2021-22 Auto Performance_Circle Track

Aluminum Timing Covers
Cam Button Spacers
Buttons limit lateral movement of
the camshaft in engines without
cam thrust plates and reduce fric-
tion for “free” horsepower. Machin- ALL90050 ing of the cam sprocket may be required.
ENGINE
Polished cast aluminum
covers resist warping and
leaking that is common
with OE-style stamped
steel covers. Recessed
mounting holes are
designed for button-head
fasteners (ALL99390) for proper installation. Covers clear most double-roller style timing chains.
ALL90052
ALL90054
Part No.
Crankshaft Keys
Description
ALL90050
SB Chevy Aluminum, Early with Flat Timing Cover
ALL90052
SB Chevy Aluminum, Late with Indented Cover
ALL90054
SB Chevy Roller Bearing
ALL90053
BB Chevy Aluminum
ALL90055
BB Chevy Roller
ALL90008
Seal works with stamped steel or aluminum covers.
ALL90009
ALL87280
Part No.
ALL90008
Description
SB Chevy
ALL90009
BB Chevy
Related Part
ALL99390
Timing Cover Fasteners
ALL87030
Chevy Short, 2-Pack
Timing Cover Seals
Replace worn crankshaft keys for proper timing gear and dampener positioning.
Part No. Description
ALL87032 Chevy Long
ALL87034
Chevy Vortec, LS1/LS2/LS6
Part No.
ALL87280 ALL87282
Description
SB Chevy BB Chevy
SB Chevy Gear Drive Assemblies
SB Ford 302/351 Replacement Timing Covers
Aluminum gear
drive provides accu-
rate cam timing and
the ability to adjust
valve timing without
removing the oil pan.
Aluminum frame fea-
tures a built-in front
oil pan gasket retainer
and an idler gear cra-
dle for accurate cam
timing throughout the
RPM range. Gear drives are complete with cam, crankshaft and idler gears, needle bearing thrust kits, offset degree bushing kit, extra-long dowel pins, and installation instructions. Gear drives are commonly used with ALL90080 and ALL90081 Billet Timing Covers or may be used with most stock-type covers such as the
Part No. Description
SB Chevy Aluminum Crankshaft Hub ALL90030

this SB Chevy aluminum crank hub is NOT a

than a harmonic balancer and dramatically
reduces rotating weight for quicker acceleration
off the turn. Hub has engraved timing marks at 0°
and from 30°-42°, is 4-3/8" in diameter, features (3) 3/8"-16 accessory threads and weighs just one pound. Fits all internally balanced small block Chevy engines. Designed for internally balanced engines only and must be balanced with rotating assembly.
ALL90014
ALL90016
ALL90017
ALL90015
ALL90018
ALL90000
Standard Cam Gear Drive
ALL90100
Raised Cam Gear Drive (+.391")
Replacement Parts
ALL90001
Cam Gear
ALL90002
Crank Gear
ALL90003
Idler Gear
ALL90004
Cam Plate Shims, 10-Pk.
ALL90005
Cam Degree Bushing Set
ALL90007
Thrust Washer Set
New cast aluminum stock replacement timing covers are available in several styles.
Part No.
Description
ALL90014
Early Style, with Fuel Pump Mounting Boss and Dipstick Tube Opening
ALL90015
1995 Mustang/1996-01 Explorer/Mountaineer Rev. Rotation with Short Water Pump
ALL90016
1983-89 Cars/Trucks/SUV’s, with ECC Sensor Mount and Fuel Pump Mounting Boss
ALL90017
1985-94 Mustang with EFI
ALL90018
1987-96 Trucks with EFI Reverse Rotation
Chevy Cam Lock
Plate and Bolts ALL90060
Kit includes camshaft retaining plate with lock- ing tabs and three alloy steel, 150,000 PSI bolts. Fits all small and big block Chevys.
58 TRACK
CIRCLE 2021-22