Page 62 - 2018 Master Catalog

STAMPED ROLLER TIP
ROCKERS
Stamped rockers have been modified with
STAMPED LONG SLOT ROCKERS
a roller tip to reduce friction and have a
The entry level performance rocker arm for the long slot to accommodate higher cam lift
Small Block Chevy. These high strength steel applications. Kit includes 16 heat treated
rocker stampings have a longer stud slot to steel rocker arms, rocker balls and nuts.
prevent stud bind with higher than stock lift Pro Series is U.S. made with premium steel.
cams. U.S. made and heat treated to withstand
engine loads above stock. Set comes complete with 16 PART NO. DESCRIPTION
rocker arms, oil grooved rocker balls and nuts. CHEVY
PART NO. DESCRIPTION 13020 SBC 3/8” stud, 1.5 ratio long slot
13051
SBC 3/8” stud, 1.6 ratio long slot
CHEVY
13050 SBC 3/8” stud, 1.5 ratio PRO SERIES SBC 3/8” stud, 1.5 ratio
13025
13050-2 SBC 3/8” stud, 1.5 ratio - 2-PACK 13026 SBC 3/8” stud, 1.6 ratio
13056 SBC 3/8” stud, 1.6 ratio
13038-2 3/8” Rocker Arm Balls & Nuts - Heat Treated, Grooved - 2Pk
13038-8 3/8” Rocker Arm Balls & Nuts - Heat Treated, Grooved - 8Pk
STAINLESS STEEL PERFORMANCE SERIES
ROCKER ARMS ROCKER ARMS
6061-T6 extruded aluminum, .650”
Premium high quality stainless body.
Oversized full needle trunnion & max lift, precision needle and cage
roller tip, .650” + max lift capability. bearings, CNC machined pushrod
Eliminate deflection at max RPM. cups, Cr40 steel roller tips, polylocks
Polylocks included. included. Sets of 16.
PART NO. MODEL STUD RATIO
PART NO. MODEL STUD RATIO
CHEVY CHEVY
35031 SBC 3/8 1.5 35011 SBC 3/8 1.5
35032 SBC 3/8 1.6 35012 SBC 3/8 1.6
35033 SBC 7/16 1.5 35013 SBC 7/16 1.5
35034 SBC 7/16 1.6 35014 SBC 7/16 1.6
45431 BBC 7/16 1.7 45411 BBC 7/16 1.7
FORD FORD SBF 3/8 1.6
30211
30230 SBF 3/8 1.6
30231 SBF 7/16 1.6

PART NO. TYPE OD ID SPRING OD SPRING ID
UNIVERSAL
252-16 ID Cup 1.550 .640 --- .740
253-16 ID Cup 1.620 .640 --- .740
254-16 ID Cup 1.550 .565 --- .740
SPRING CUPS 255-16 ID Cup 1.620 .570 --- .740
256-16 ID Cup 1.550 .570 --- .810
Spring cups are a must for aluminum heads 257-16 ID Cup 1.550 .570 --- .715
and are critical in controlling “dancing” on the 261-16 OD Cup 1.550 .690 1.440 ---
spring pad at high RPM. Engine Works spring 262-16 OD Cup 1.580 .640 1.475 ---
cups are made from 4140 chromemoly and 263-16 OD Cup 1.630 .640 1.510 ---
are available in both ID and OD type in .070” 264-16 OD Cup 1.680 .570 1.565 ---
thickness. Packaged in sets of 16. 265-16 OD Cup 1.740 .640 1.650 ---

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