Jesel INS-07238 User Manual
1985 Cedarbridge Ave
Lakewood, NJ 08701
732-901-1800
Y+
INS-07238
Instruction Sheet
Indy 440-1
X+
DIM B
VALVE HEIGHT Y COORDINATE
Z COORDINATE
DIM CDIM A
2.150” 0.875” 1.144”
2.250” 0.972” 1.166”
Machining Instructions:
NOTE: Datum Point is the head bolt hole directly behind cylinder
#3 & 5 exhaust valves. Machine mounting surface for rocker
stand parallel with deck surface.
1) MEASURE VALVE TIP TO SPRING SEAT DIMENSION
(DIM A) AND REFER TO CHART BELOW FOR X & Y
COORDINATES.
2) MILL EXISTING ROCKER PEDISTALS TO THE
APPROPRIATE HEIGHT (DIM B). THE ZERO POINT FOR
Z+
DIMENSION B IS THE BOTTOM OF THE HEAD BOLT
COUNTERBORE.
3) SET THE X & Y ZERO TO THE CENTER OF THE
HEAD BOLT REFERENCED ABOVE. DETERMINE THE Y+
DIMENSION FROM CHART BELOW (DIM C).
4) DRILL AND TAP FOR 7/16-14 x 1.000” STAND MOUNTING
BOLTS TO DIMENSIONS SHOWN ABOVE. IT IS
NORMAL TO BREAK INTO THE INTAKE RUNNERS. USE
APPROPRIATE THREAD SEALANT ON BOLTS BEFORE
FINAL INSTALLATION OF ROCKER STAND.
2.350” 1.070” 1.189”
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THESE INSTRUCTION SHEETS ARE INTENDED AS REPRESENTATIONS ONLY. JESEL IS IN NO EVENT LIABLE FOR CONSEQUENTIAL DAMAGE,
INSTALLATION COST OR OTHER COST OF ANY NATURE. NO REPRESENTATIVE IS AUTHORIZED TO ASSUME FOR JESEL ANY OTHER LIABILITY
IN CONNECTION WITH ANY JESEL PRODUCT. NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS.
ROCKER STANDS:
Quan Part Number Description
2 STN-20072 Rocker Stand, Indy 440
INSTALLATION CHECK LIST
CHECK STAND HEIGHT (IF APPLICABLE)
ROCKER PAIRS:
Quan Part Number Description
4 PRL-07238 Rocker Pair, CYL 1,5,4,8
4 PRR-07238 Rocker Pair, CYL 3,7,2,6
HARDWARE KIT COMPONENTS:
Quan Part Number Description
24 BLT-21750 5/16-18 x 1.250” T-45 Shaft Bolt
6 BLT-21893 7/16-14 x 1.250” T-50 Stand Bolt
8 BLT-21892 7/16-14 x 1.000” T-50 Stand Bolt
1 TOL-19210 T-45 Torx Socket
1 TOL-19221 T-50 Torx Socket
1 TOL-29400 5pc Checker Pushrod
TORQUE SPECS:
5/16-18 T-45 Shaft Bolt 26-28 FT / LBS
7/16-14 T-50 Stand Bolt 60-65 FT / LBS
Adjuster Nut 26-28 FT / LBS
Note: Torque specs shown were calculated using
30wt engine oil on threads. You must adjust the
torque spec if using a lubricant other than engine
oil.
CHECK FOR PUSHROD CLEARANCE
CHECK FOR VALVECOVER CLEARANCE
DETERMINE PUSHROD LENGTH
PRELUBE PUSHRODS / ADJUSTERS
TORQUE ALL HARDWARE TO SPEC
ROCKER SERVICE PARTS:
Part Number Description
ADJ-20230 Valve Lash Adjuster
WSH-29800 Valve Lash Adjuster Washer
NUT-24500 Valve Lash Adjuster Nut
BRG-20610 Shaft Bearing, 9/16 ID x 3/4 Long
BRG-20620 Shaft Bearing, 9/16 ID x 1/2 Long
SFT-27970 Rocker Shaft, Cyl 1-5-4-8
SFT-27980 Rocker Shaft, Cyl 2-6-3-7
SPC-28360 .067 Rocker Spacer
RNG-26210 Rocker Retaining Ring
WARNING
◘ IF IN DOUBT, CALL JESEL TECH DEPT AT (732) 901-1800.
◘ MAKE SURE PUSHROD TIP COMFORMS TO ADJUSTER CUP.
◘ A P P LY TH R EAD SE ALANT TO AL L BO LT S EX P O S ED TO
WATER.
◘ DO NOT DEGREASE ROCKER AND RUN WITHOUT
LUBRICATION.
◘ DO NO T LE T PU SHRODS RUB AGAINST CYLI NDER HEADS OR
BLOCK.
◘ DO NOT BOLT DOWN OR REMOVE ROCKERS UNDER ANY
SPRING LOAD.
◘ ALWAYS LUBRICATE PUSHROD TIPS AND ADJUSTERS WITH
SUPPLIED LUBE.
◘ APPLY THREAD SEALANT TO ALL BOLTS PROTRUDING INTO
INTAKE PORTS.
◘ DO NOT OVER-TORQUE ADJ US TE R N UT S - ALWAYS FOLLOW
TORQUE SPECS.
◘ DO NOT RUN WITH ADJUSTER MORE THAN 2 TURNS OUT FROM
SEATED POSITION.
◘ DO NOT MACHINE ADJUSTER COUNTERBORE TO COMPENSATE
FOR A LONG PUSHROD
◘ DO NO T “F LY- C U T ” UN D E RSIDE OF RO C KER A R M FO R
ADDITIONAL SPRING CLEARANCE.
ADJUSTER OPERATING RANGE
THE OPERATING RANGE FOR THE LASH ADJUSTER IS 1/4 TO 2
TURNS OUT FROM THE SEATED POSITION. THE ROCKERS ARE
SHIPPED FROM JESEL WITH THE ADJUSTERS SET 1 TURN OUT
FROM THE SEATED POSITION. IF ADJUSTER IS MORE THAN 2
TURNS OUT, USE A LONGER PUSHROD. IF ADJUSTER IS LESS
THAN 1/4 TURN FROM SEATED POSITION, USE A SHORTER
PUSHOD. NEVER MODIFY ADJUSTER COU NT ER BO RE TO
COMPENSATE FOR A PUSHROD THAT IS TO LONG.
VALVE LASH ADJUSTMENT
1) ROTATE ENGINE UNTIL EXHAUST ROCKER BEGINS TO OPEN.
SET INTAKE LASH TO DESIRED SPEC.
2) ROTATE ENGINE UNTIL INTAKE ROCKER BEGINS TO RETURN
FROM FULL LIFT. SET EXHAUST LASH TO SPEC.
3) REPEAT FOR REMAIN IN G C YLINDER S FOLL OW ING T HE
FIRING ORDER.
THESE INSTRUCTION SHEETS ARE INTENDED AS REPRESENTATIONS ONLY. JESEL IS IN NO EVENT LIABLE FOR CONSEQUENTIAL DAMAGE,
INSTALLATION COST OR OTHER COST OF ANY NATURE. NO REPRESENTATIVE IS AUTHORIZED TO ASSUME FOR JESEL ANY OTHER LIABILITY
IN CONNECTION WITH ANY JESEL PRODUCT. NOT RESPONSIBLE FOR TYPOGRAPHICAL ERRORS.
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