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U20 ENGINE PARTS
U20 Standard Valve

U20 Standard Valve Guide
The shape and dimensions are reproduced to be the same as the original, and theThis is a standard valve guide that can be used for normalmaterials and heat treatment specifications have been reinforced to emphasize durability.

overhauls and head tuning. Unlike genuine Nissan
products, the inner and outer diameters are already finishedCompatible with: U20to standard sizes, so there is no need to incur extra processing(SR311) Size: IN: 46ÿ EX: 36ÿ

costs for inner and outer diameter polishing. Finally, all you
need to do is use a reamer to fine-tune the clearance and you're done.

Price: ¥3,000/each ¥24,000/
ÿ12,000 /each uniteach

U20 Valve spring stepped seat

U20 Secondary chain tensioner
The included aluminum washer allows you to adjust
the backstroke and reduce deflection of the timing chain.

This stepped seat allows the use of L-type engine
valve springs for the U20.

* Reinforced bolts, gaskets, and 3 aluminum washers included¥8,800/1 unit
ÿ30,000¥1,100/1 piece

U20 Valve spring additional washer

U20 Primary chain tensioner
This is an important part for reducing timing chain slack
and stabilizing valve timing. It comes with an aluminum
washer and packing to limit the backstroke.

By placing it under the stepped sheet, you can finetune the installation length of the valve spring.
By aiming for the optimal installation length specified
for the valve spring, you can maintain the best set
load and full load.
*Thickness: 0.5mm/0.8mm/1.0mm ¥350
each/sheet *Use

ÿ10,000*Includes gasket and 3 aluminum washers

in combination with stepped sheets

U20 Nissan genuine rocker arm
If you notice stepped wear on the contact surface ofthe cam, you need toreplace it immediately. If the wear progresses, it will
attack the camshaft cam lobe, causing serious damage.

U20 Low head valve oil seal
When assembling a high cam with a cam lift of 8.4mm
or more, the genuine valve oil seal may not haveenough stroke and may bottom out. This valve oil seal
has a 3mm lower head, allowing you to increase thevalve lift.
¥4,160/unit ¥520/ÿ ÿ18,700 / 1 pieceunit*Use in combination with stepped sheets

U20 Reinforced valve spring SET (L-type)

U20 Crank PulleyThis street pulley is machined to have the same shape as the genuine
product without compromising the appearance of thegenuine product. It has been treated to prevent cracks and wear,
allowing it to be used for a long time.

This reinforced valve spring is compatible with cam
lifts up to9mm. Be sure to use it in combination with the valve
spring stepped seat.

Price: ¥30,000

ÿ16,000/each unit

*Damperless type

U20 Lead-free seat ring (for STD valves)

U20 Plated Parts
ÿU20 Plated Oil Filler CapUses sintered alloy with excellent heat and wear resistance, allowing
a stable contact surface to be maintained for a long period of time.

Specifications: Chrome plated finishPrice: ¥12,000
Accessories: Cork packing
ÿU20 Plated Mechapon hole cover Specifications:ÿ16,000/each unit

Chrome plated finish Price: ¥5,000
Accessories: Packing& stainless steel bolt

U20 Metal Head Gasket

U20 Primary side reinforced chain guideaThe primary chain guide, which prevents the chain from flapping, isSuitable bore size: STD to ÿ91

part that is prone to cracking near the base where the chain is subjected

Thickness/Pricereinforcing plate in the areas where cracks are likely to occur.

to force. This
reinforced type is a countermeasure product that connects the sides with a•1.2mm ¥30,000•1.5mm ¥33,000•2.0mm ¥36,000•2.5mm ¥39,000

Price: ¥12,000* Reinforced bolts included*The listed price is the base price. Consumption tax will be added separately.

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