Page 258 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog
P. 258
NITRO CARB STEEL ROCKER ARMS ALUMINUM ROCKER ARM
Use where rules require stock type rockers . Nitro Carb ADJUSTING NUTS
Rockers offer 3 to 5 times greater resistance to wear, Billet steel lock nuts are for use with roller tip, needle bearing
fatigue and fracture in high stress areas, eliminat- aluminum rocker arms. Available in standard or for use with stud girdles.
ing pushrod cup and fulcrum failures. Rockers are Part No. Description Min. Rocker Slot Width Overall Ht.
formed from heat treated steel and incorporate a Standard Adjusting Nuts
long slot design. Rockers are not self aligning and CRN99788-16 3/8"-24 Nuts .550" 1.063"
must be used with pushrod guideplates. Includes oil CRN99790-16 7/16"-20 Nuts .550" .922"
groove pivot balls and adjusting nuts. Sold in sets of 16. Stud Girdle Adjusting Nuts
Part No. Description Stud Dia. Ratio CRN99810-8 7/16"-20 Nuts .600" 2.013"
CRN11801C-16 SB Chevy 1955-87, Extra Long Slot 3/8" 1.5
CRN11802C-16 SB Chevy 1955-87, Extra Long Slot 3/8" 1.6 FORD ROCKER ARM PEDESTAL SHIM KIT
CRN99170-1
Designed specifically for Ford 255-351W engines with
non-adjustable, pedestal mount rocker arms, kit corrects
ENERGIZER ROCKER ARMS hydraulic lifter preload caused by camshaft change, valve
job, head or block milling without need for shorter pushrods.
Rockers use die formed aluminum bodies fitted with Kit includes shims to reduce preload by approximately .030", .060" or .090".
needle bearing fulcrums and roller tips.
Part No. Description Stud Dia. Ratio QUICK-LOCK
CRN11744-16 SB Chevy, 1955-87 3/8" 1.5 VALVE TRAIN STA BI LIZ ERS
CRN11745-16 SB Chevy, 1955-87 7/16" 1.5
SB Chevy, 1955-87; Unique stud girdle slash es the time re quired to
CRN11746-16 3/8" 1.6 per form valve lash ad justments or to install or remove
SB Ford 221-351W, 1962-00
SB Chevy, 1955-87; girdle. Made from quality aluminum bar stock and gold
CRN11747-16 7/16" 1.6
SB Ford 221-351W, 1962-00 anodized for corrosion resistance. Includes rocker arm adjusting
CRN44746-16** SB Ford 255-302, 1977-00 5/16" Bolt 1.7 nuts.
** Increased ratio, pedestal mount-hydraulic applications only. Part No. Description
SB Chevy 262-400 And Pontiac/Brodix With Standard
CRN11600-1 Rocker Stud Spacing, 3/8" Studs
GOLD RACE SB Chevy 262-400 And Pontiac/Brodix With Standard
EXTRUDED ROCKER ARMS CRN11604-1 Rocker Stud Spacing, 7/16" Studs,
Crane’s Aluminum Rocker Arms are made For .600" Wide Top Slot Rocker Arms
from extruded billet aluminum for maximum
strength. Needle bearing fulcrums and roller VALVE LASH CAPS
tips reduce friction and oil temperature as Heat treated, 8620 steel valve lash caps are used to improve
they increase RPM and horsepower. Sold in wear surface or lengthen the valve for improved geometry.
sets of 16. Part No. Description
Part No. Description Stud Dia. Ratio CRN99420-16 5/16" Dia. Valve Stems, .162" Tall, .060" Thick
CRN11750-16 SB Chevy, 1955-87 3/8" 1.5 CRN99421-16 11/32" Dia. Valve Stems, .162" Tall, .060" Thick
SB Chevy, 1955-87, 11/32" Dia. Valve Stems,
CRN11752-16 7/16" 1.5 CRN99423-8 .210" Tall, .100" Thick, Ford 2300cc SOHC
Clearance Spring For 1.630"
SB Chevy, 1955-87, Note: Maintain a minimum of .030" clearance from bottom of lash cap to
CRN11755-16 7/16" 1.6 top of the valve locks.
Clearance For 1.630" Spring
CRN11759-16 SB Chevy, 1955-87 3/8" 1.6
CRN36757-16* SB Ford, 1962-00 221-351W 7/16" 1.7 CHROME MOLY
CRN86757-16* SB Ford, 1962-00 221-351W 7/16" 1.6 PUSHRODS
* Requires screw-in rocker arm studs, guide plates and heat treated push- Pushrods are made from seam less 4130
rods for installation. Chrome moly steel tub ing, with heat treating,
and tensile strength ratings up to 128,000 lbs.
STEEL ROCKER ARM Sold in sets of 16.
ADJUSTING NUTS CRN99768-16 Part No. 1955-87 Chevy Diameter Length
Description
Locknuts are available in traditional CRN11621-16 V-8 262-400, Heat Treated 5/16" 7.765" (Stock)
self-locking and Kool Nut, for use with 1955-87 Chevy
stamped steel rocker arms. Kool Nut’s CRN11622-16 V-8 262-400, Heat Treated 5/16" 7.865" (+.100")
unique design directs a pressure-fed flow
of oil to the pivot ball. Sold in sets of 16. CRN99770-16 SUPER MOLY LUBE
Part No. Description A moly-disulfide based lu bri cant unequaled in wear protection. For use on
Kool Nut, 3/8"-24, Counterbored cam lobes, lifters, and dis trib u tor gears. Recommended for all cam in stal la-
CRN99768-16
To Work With Bottleneck Studs tions.
Kool Nut, 7/16"-20, Part No. Description
CRN99769-16
Counterbored To Work With Bottleneck Studs CRN99002-1 2 Ounce Container
CRN99770-16 Self Locking, 3/8"-24 CRN99003-1 8 Ounce Container
CRN99771-16 Self Locking, 7/16"-20 CRN99004-1 1 Pound Container
EN GINE AS SEM BLY LUBE
CRN99008-1
Provides extra lu bri ca tion and pro tec tion for en gine com po nents
dur ing assembly, ini tial firing and critical break-in pe ri od. 4 oz. bottle.
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