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Home > Valves/Timing
You're viewing 1 - 25 of 60 products in this category
Distributor Drive - cam gear SD1,RR/Disco, Defender, TVR, Morgan Eng
Essential for maintaining accurate valve timing. Worn units are clearly identified by excessive wear
ie scoring on the bevel gear.

To suit post 1976 engines 3.5,3.9,4.2, and other varients that use a distributor.

Not required fro OE 4.0/4.6 litre Engines
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H/D pushrods
Set of 16 Heavy Duty pushrods.

These pushrods may require the pushrod holes in the cylinder head to be enlarged for clearance.
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SD1 Inlet valves
Sd1 Inlet valve - StD size/replacement
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SD1 Ex. valves
STD SD1 Exhaust Valves



Image is for display only and not representative of the part supplied/offered.
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Valve guides STD
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Mod Ex . Guide
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Rover V8 HD valve springs (single) not available
Full set of HD springs.

These springs feature 1 less coil therefore eliminating coil binding when using uprated performance camshafts.

Suitable for Hurricane/Typhoon
Crower 50299, 50230 & 50232*
For sustained high rpm use double springs should be used with 50232, 50233,50234.

Valve Sprin......
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Triple Valve Springs
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Valve collets
Full set of 32 to suit Standard Vale Spring retainers
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Valve Spring Retainers (STD)
Retainers for single spring installations.
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Valve Stem seal (Set)
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L/H & R/H rocker Arm Set - Aluminium
Replacing worn rockers allows accurate valve timing and prevents excessive clearance which can lead to rocker breakage.

Price per set
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Rocker shafts - Rover V8 (All)
Pair of Rover V8 Rocker Shafts suitable for engines 1970 - 2002

Check the underside of your rocker shafts when carrying out your rebuild as excessive play will lead to engine noise and reduced oil pressure.
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Rocker Pedestal Shim Kit (lifter preload)
Shims are used to adjust the litfter/tappet preload when fitting a new performance camshaft. If you are replacing with a standard camshaft and have had the cylinder heads machined then a shim kit may also be required. The shims fit under the rocker pedestal and allow the preload to be set correctly.......
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Rover V8 Duplex - Cloyes True Timing Chain set
All steel duplex (double chain -reynolds pre-stretched) timing set complete.

Steel gears are balanced and hardened to Rockwell 'C' standard. Will maintain accurate cam timing for longer. and more duable in use Also reduces friction = more power !!!

If you require even more accuracy and the ab......
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Simplex - Clevite Heavy Duty Metal timing set
timing set includes both metal gears and chain. better performance than std Nylon cam sprocket.
Fits P5 engine >
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Simplex - STD Nylon/Metal timing Set
STD spec timing chain assembly
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SD1 Big Inlet Valve 1.63"
Stainless Steel 214N
Bigger Inlet valve will fit STD heads with valve seat opened to corresponding size - increased gas flow and power !
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SD1 & RR 4.0/4.6 Std Valve springs
STD Valve Spring Set Single to suit
Rover SD1
Morgan + 8
TVR 350/390 Chim 400/Griff 400 *
Range Rover Classic 3.5,3.9,4.2
Range Rover P38 4.0 & 4.6
Discovery 1 3.5,3.9
Discovery 2 4.0 Litre



Worth replacing on a head rebuild.
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Valve Stem Seals
Late spec Hooded seal can be used on both inlet/exhaust valves .

If later valve guides are to be fitted, these are machined to accept the seals shown. The seals offer superior performance to the older style seals.
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Cloyes Duplex Timing Chain Set
Suit 351C, 351M & 400 1970-82
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SD1 Big Exhaust Valve 1.4"
Stainless Steel 214N Grade
Will fir STD heads without replacing valve seat
Suitable un-leaded fuel
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Modified "bulleted" Hi-Flow Valve Guides
Full set of modified Inlet valve guides as used in our stage 2 heads. Inlets feature bulleted style to maximise gas flow.

Valve guide tops shortened to permit ample full lift
clearance when using uprated camshafts.
Will also accept late hooded vavle seals.
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Rocker Shaft Springs
Replacement Rocker Shaft Spring Set
Fit between rocker arms
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Rocker Shaft Pedestals
STD OE Aluminium Alloy Rocker Shaft Pedestals (set 4)
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