Jesel INS-01911 User Manual

INS-01911

STEP 3:

LOOSELY BOLT THE EXHAUST STANDS TO

VALVETRAIN INNOVATION

1985 Cedarbridge Ave

Lakewood, NJ 08701

732-901-1800

STEP 1: THE CYLINDER HEAD MUST BE MACHINED

PRIOR TO INSTALLING THIS KIT. IF YOUR HEAD HAS
NOT BEEN MACHINED, PLEASE FOLLOW DIRECTIONS

FOUND ON
MACHINING OPERATION FOR YOU IF NEEDED.

INS-24017. JESEL CAN PERFORM THIS

Instruction Sheet

Chevrolet BB

One Piece Intake / Individual Exhaust Stands

STEP 2: LOOSELY BOLT THE ONE-PIECE INTAKE

STAND AND CHECK GEOMETRY USING THE AVAILABLE
STAND HEIGHT CHECKING TOOL. IF THE STAND IS

LOW, A SHIM KIT
THE STAND. IF THE STAND IS SITTING TO HIGH, THE
HEAD WILL HAVE TO BE MILLED OR LASH CAPS MAY
BE USED. ONCE THE CORRECT HEIGHT IS ACHIEVED,
APPLY THREAD SEALANT TO THE INTAKE STAND

BOLTS AND

(KRS-28150) IS AVAILABLE TO RAISE

TORQUE TO SPECS LISTED ON PAGE 2

STEP 3: LOOSELY BOLT THE EXHAUST STANDS TO

THE HEAD AND CHECK FOR PROPER GEOMETRY.
ONCE PROPER STAND HEIGHT HAS BEEN ACHIEVED,

APPLY ENGINE OIL TO THE THREADS AND
TO THE SPECS LISTED ON PAGE 2. THE EXHAUST
STANDS MAY BE WELDED TO THE INTAKE BAR ONCE
PROPER GEOMETRY IS ACHIEVED. ALWAYS USE THE

LONGEST MOUNTING BOLTS POSSIBLE.

TORQUE

SHOWN WITH OPTIONAL ARP SHAFT BOLTS

STEP 4: LUBRICATE THE TIPS OF THE INTAKE AND

EXHAUST PUSHRODS USING THE SUPPLIED HIGH
PRESSURE LUBE. INSTALL EACH ROCKER ARM WHEN

THE CAM LOBE IS ON ITS BASE CIRCLE AND
THE 5/16-18 X 1.250” SHAFT BOLT TO PROPER SPEC.
NEVER TORQUE SHAFT BOLTS WHEN THE ROCKER
IS UNDER ANY SPRING LOAD AS SHAFT DAMAGE
MAY OCCUR. RETORQUE ALL MOUNTING HARDWARE

AFTER INITIAL BREAK-IN.

TORQUE

1985 Cedarbridge Ave ∙ Lakewood, NJ 08701 ∙ Phone: [phone] ∙ Fax: [phone]

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.

revised 07/08

KIT COMPONENTS:

Quan Part Number Description
16 IRA-01911 Rocker Arm
2 STN-20xxx Intake Stand
8 STN-20xxx Exhaust Stand
32 BLT-21750 5/16-18 x 1.250” T-45 Shaft Bolt
8 BLT-21892 7/16-14 x 1.000” T-50 Stand Bolt
8 BLT-21893 7/16-14 x 1.250” T-50 Stand Bolt
8 BLT-21894 7/16-14 x 1.500” T-50 Stand Bolt

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
SFT-28000 Rocker Shaft
RNG-26210 Rocker Retaining Ring
SPC-28360 Nylon Spacer

AVAILABLE SERVICE TOOLS

TOL-19210 T-45 Torx Socket
TOL-19221 T-50 Torx Socket
TOL-29350 Stand Height Checker, 5/16” Stem
TOL-29351 Stand Height Checker, 11/32” Stem
TOL-29352 Stand Height Checker, 3/8” Stem
TOL-29400 5pc Checker Pushrod
TOL-29260 Spring Removal Tool
TOL-29300 Valve Lash Adjusting Wrench

TORQUE SPECS:

5/16-18 T-45 Shaft Bolt 22-25 lbs/ft
5/16-18 ARP 12pt Shaft Bolt 28-32 lbs/ft
7/16-14 T-50 Stand Bolt , into Alum. 60-65 lbs/ft
7/16-14 T-50 Stand Bolt, into Cast Iron 65-70 lbs/ft
Adjuster Nut 22-27 lbs/ft

Torque specs listed above are the recommended torque specs when
using 30wt engine oil as a lubricant. Torque specs will be lower if using
a Moly based lubricant. To convert to Newton/meters, multiply lbs-ft by

1.356. The torque values listed are intended to be for general information.
Actual torque values may vary depending upon your application.

WARNING

◘ IF IN DOUBT, CALL JESEL TECH DEPT AT [phone].

◘ MAKE SURE PUSHROD TIP COMFORMS TO ADJUSTER CUP.

◘ AP PLY TH REA D SEA LA NT TO ALL BOLT S EXP OSE D TO

WATER.

◘ DO NOT DEGREASE ROCKER AND RUN WITHOUT

LUBRICATION.

◘ DO NOT LET PUSHRODS RUB AGAINST CYLINDER 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 ADJUSTER NUTS - ALWAYS FOL LOW

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 “FLY- CUT ” U ND ERS ID E OF ROC KE R AR M FOR

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 MODIF Y ADJUSTER COUNTERBORE 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 RE MAINING CYLIN DERS FOLLOWIN G THE

FIRING ORDER.

Maintain your valvetrain
properly with Logan-Smith’s
Spring Pressure Tester and
Torque Wrench Valve Lash
tool.

TOL-PC100

TOL-TQ100

www.jesel.com

[e-mail]

1985 Cedarbridge Ave ∙ Lakewood, NJ 08701 ∙ Phone: [phone] ∙ Fax: [phone]

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.

revised 07/08