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Straight port STRAIGHT

ENGINE
TOP HAT VALVE SHIMS BRONZE VALVE GUIDES VALVE SPRING SHIMS SIX
To suit original /16" valve stems. This design To suit the original /16” valve stem diameter We have had these made specifically so
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has a dramatically reduced mass to the and a choice of outside diameters. that the race engines and badly worn road
original. Available finished ground in 0.001" JENG722E Exhaust 0·501” OD £8-95 engines can have all the valve springs
increments from 0.040" to 0.300" or semi JENG722I Inlet 0·501” OD £8-95 shimmed to the correct length.
finished blanks - still to be ground to size. JENG722EB Exhaust 0·506” OD £8-95 CENG725A 0.010" Thick 0.595" Bore each £0-52
JCENG661/040 0.040" each £5-95 JENG722IB Inlet 0·506” OD £8-95 CENG725B 0.015" Thick 0.595" Bore each £0-52
Through to JENG722C Circlip each £0-49 CENG725C 0.020" Thick 0.595" Bore each £0-52
JCENG661/300 0.300" each £5-95 VALVE SPRINGS INLET MANIFOLD GASKET
JCENG661/125B 0.125" Blank each £4-45 Tried and tested competition springs to suit One piece solution.
JCENG661/165B 0.165" Blank each £4-45 these demanding conditions. Both sets suit
JCENG661/204B 0.204" Blank each £4-45 the original top cap, however fitted lengths JENG759 each £4-75
JCENG661/244B 0.244" Blank each £4-45 must be checked.
JCENG661/300B 0.300" Blank each £4-45
JENG725HD Fast Road Set £59-50
CAM FOLLOWER SLEEVE CLAMP SET JCENG725 Race Set £198-75
Steel plates designed to lock the cam
follower sleeves down to stop them moving VALVE TOP CAPS
around. CNC machined reproduction of standard. BLANKING COVERS
Protect your engine whilst in transport or
JCENG660K set £64-50 JENG731 each £8-95 storage.
LARGE DIAMETER CAM FOLLOWER VALVE COLLETS JENG759B Inlet - one piece each £4-95
SLEEVES. Reproduction of standard item. JENG759EB Exhaust - 2 required each £4-95
1 /2” diameter sleeves to suit the large cam JENG733 pair £3-45
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buckets required when using race SPRING BOTTOM CUP
camshafts. Precision ground OD Heat treated steel thin cups, fit for the job.
manufactured from Colisbro-Bronze, the
best lubrication and hardest wearing SCENG725CU each £2-25
material, a must for this application. FRONT BREATHER
Supplied with slightly undersize ID to allow Replaces the original to provide a-16 JIC
for final sizing once fitted. hose fitting, this will not throw out any
JCENG660S each £32-50 unwanted oil.
JENG775S £59-50
COMPETITION VALVE STEM SEALS
Modern lip with spring design, bonded to a JENG774S Blanking plate only £12-95
steel case, these require the top of the
valve guide to be machined to suit.
JCENG735 each £3-95

+44 (0) 1543 472244 © Denis Welch Motorsport 2016