Page 223 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog
P. 223
2020 DRAG RACING
Nitro-Carb Steel Rocker Arms Gold Race Extruded Roller Rocker Arms
Rockers have 3 to 5 times more resis- Aluminum roller rocker arms are made from extruded billet
tance to breakage than stock rockers and aluminum for maximum strength. Needle bearing fulcrums
eliminate pushrod cup and fulcrum failure. and roller tips reduce friction and oil temperature while
Accurate rocker ratios and long-slot design increasing RPM and horsepower. Sold in sets of 16.
make them ideal for use with high-lift camshafts. Part No. Description Ratio Stud Dia.
Part No. Description Ratio Stud Dia. Small Block Chevy 265-400
CRN10800C-16* SB Chevy 305-350, 1988-99 1.5 3/8" CRN11750-16 I 1955-87, Non-Self Aligning, Stock Ratio/Stud Dia. 1.5 3/8"
CRN11801C-16 † SB Chevy 262-400, 1955-87 1.5 3/8" CRN11752-16 I 1955-87, Non-Self Aligning, Stock Ratio 1.5 7/16"
CRN11802C-16 † SB Chevy 262-400, 1955-87 1.6 3/8" CRN11759-16 I 1955-87, Non-Self Aligning, Std. Stud Dia. 1.6 3/8"
†Non-self aligning rocker arms must be used with pushrod guideplates. CRN11755-16 I 1955-87, Non-Self Aligning 1.6 7/16"
*For self-aligning applications only. Not for use with pushrod guide plates, or with cylinder 1955-87 Non-Self Aligning,
head casting that guides the pushrod, as severe pushrod wear will occur. Not for LS series CRN11771-16 Stock Ratio/Enlarged Stud 1.5 7/16"
engines. 1955-87, Non-Self Aligning,
CRN11772-16 P 1.6 7/16"
Increased Ratio/Enlarged Stud
Ductile Iron Adjustable Rocker Arms CRN10750-16 I 1988-99, Non-Self Aligning, Center Bolt Valve Covers 1.5 3/8"
CRN10751-16 F 1988-99, Self Aligning, Center Bolt Valve Covers 1.5 3/8"
Much stronger than original equipment. Ideal in CRN10758-16 F 1988-99, Self Aligning, Center Bolt Valve Covers 1.6 3/8"
shaft mounted applications where valve lash or Big Block Chevy 396-454
lifter pre-load adjustment is necessary. Pushrods CRN13750-16 A 1965-90, Stock Ratio, Std. Stud Dia. 1.7 7/16"
with cup on end to fit adjusting screw must be CRN13763TR-16 A 1965-90, “Wide Body” Severe Usage, 1.7 7/16"
used. Stock Ratio, Std. Stud
CRN13755-16 A 1965-90, Increased Ratio, Std. Stud Dia. 1.8 7/16"
Part No. Description Ratio Small Block Chrysler 318-360
CRN64771-16 BB Chrysler 350-440 “B”, 1958-78, Increased Ratio 1.6 CRN11759-16 H 1992-00 “Magnum” 318 (5.2L) And 360 (5.9L) 1.6 3/8"
CRN69770-16 SB Chrysler 273-360 “LA”, 1964-91, Std. Cyl. Heads Only 1.5
CRN69771-16 SB Chrysler 273-360 “LA”, 1964-91, Std. Cyl. Heads Only 1.6 Small Block Ford 221-351W
CRN36750-16 C 1962-00, Stock Ratio, Std. Stud Dia. 1.6 3/8"
CRN36757-16 E 1962-00, Increased Ratio, Enlarged Stud Dia. 1.7 7/16"
Energizer Rocker Arms
CRN86757-16 A 1962-00, Stock Ratio, Enlarged Stud Dia. 1.6 7/16"
Die-formed aluminum bodies fitted with Ford 351C, 351M-400
needle bearing fulcrums and roller tips. CRN27750-16 J 1969-82, Stock Ratio, Std. “Boss” Stud Dia. 1.73 7/16"
Big Block Ford 429-460
CRN27750-16 G 1968-97, Stock Ratio, Std. “Cobra Jet” Stud Dia. 1.73 7/16"
Part No. Description Ratio Stud Dia.
CRN11744-16 L SB Chevy 262-400, 1955-87 1.5 3/8" Pontiac 265-455
B
CRN11745-16 L SB Chevy 262-400, 1955-87 1.5 7/16" CRN28758-16 1955-81, Increased Ratio For 7/16" Straight Studs 1.6 7/16"
SB Chevy 262-400/ A: 1991-up Gen. V and VI engines require CRN99152-16 7/16" rocker arm studs and pushrod
CRN11746-16 L 1.6 3/8" guideplates.
1962-00 SB Ford 221-351W, 1955-87
SB Chevy 262-400/ B: Must machine cyl. heads and install CRN99157-16 7/16" rocker arm studs.
CRN11747-16 L 1.6 7/16"
1962-00 SB Ford 221-351W, 1955-87 C: Must machine 1966-00 cyl. heads and install CRN99156-16 3/8" rocker arm studs and
BB Chevy 396-454/
CRN13744-16 M 1.7 7/16" CRN36650-1 pushrod guideplates or use CRN36655-16 conversion kit on 1977-00 pedestal
1968-97 BB Ford 429-460, 1965-90 mount cyl. heads.
CRN28747-16 N Pontiac 265-455, 1955-81 1.65 7/16"
CRN44746-16 SB Ford 221-351W, 1977-00, Pedestal Mount 1.7 5/16" E: Must machine 1966-00 cyl. heads and install CRN99157-16 7/16" rocker arm studs and
CRN36650-1 pushrod guideplates. Heat-treated pushrods required.
L: 1988-99 engines with self-aligning rocker arms require the installation of pushrod guide-
plates and appropriate heat-treated pushrods. Valve cover clearance must be checked. F: For use in self-aligning applications. Do not use with pushrod guideplates or with cyl. heads
that guide the pushrods, as severe pushrod wear will result. Not for use in LS1 type engines.
M: 1991 and later Gen. V and VI engines require the installation of CRN99152-16 7/16"
rocker studs and factory pushrod guideplates (under 480 PSI open seat pressure), or G: 1968-71 engine using bottleneck studs require CRN99159-16 straight 7/16" studs to allow valve
CRN99157-16 7/16" rocker studs and CRN13650-1 pushrod guideplates (over 480 PSI open adjustment, while 1972-97 engines can use CRN35655-16 conversion kit for 3/8" pushrods.
seat pressure). H: Must use CRN36655-16 rocker arm stud conversion kit and CRN36668-16 or CRN36621-16
N: Engines not equipped with 7/16" rocker studs require cyl. head machining and CRN99157- pushrods. Stock valve covers must also be replaced or modified for clearance.
16 rocker studs. I: 1988-99 engines with self-aligning rocker arms require pushrod guideplates, CRN99160-16
rocker studs and appropriate heat-treated pushrods. J: Engines using pedestal-mount rocker
arms require CRN52655-16 conversion kit for street applications.
K: Includes studs, guideplates and pushrods.
P: Clears 1.630" OD springs, “wide body” for severe usage.
Reckow Performance
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