denstoj

What is a Rocker Retainer?

Which engines do you make parts for?

What are the signs of a dropped rocker?

When is the best time to fit Rocker Retainers?

Do Rocker Retainers let me rev my engine higher?

Will stiffer valve springs fix the rocker problem?

Do Rocker Retainers work with aftermarket camshafts or turbos?

Why do Rocker Retainer kits cost what they do?

Can I buy the clips separately?

Can I install Rocker Retainers myself?

Why do FA and FB engines need Rocker Retainers?

Did the valve spring recall fix the rocker problem on the 86 and BRZ?

Which vehicles does the FA/FB Rocker Retainer Kit fit?

What's included in the FA/FB kit?

Do I need to remove the engine to fit the FA/FB kit?

How do I install the FA/FB kit?

What are the FA20 valve clearance specs?

Will Rocker Retainer clips cause ticking or extra wear?

Can Denstoj install the kit for me?

What other upgrades help protect an FA20 or FA24 engine?

Toyota 86/GR86, Subaru BRZ, WRX + more (FA/FB)

Why does the G16E-GTS need Rocker Retainers?

Which GR Yaris and GR Corolla models do the G16E-GTS kits fit?

G16E-GTS: hydraulic lash adjusters or solid lifters?

Which camshaft and valve springs should I run on my G16E-GTS?

How do I install the G16E-GTS kit?

Toyota GR Yaris/GR Corolla (G16E-GTS)

Why does the 4G63 need Rocker Retainers?

Which 4G63 Rocker Retainer kit do I need?

Do the 4G63 kits fit the Eclipse, Talon, Laser or Galant VR-4?

Why do the 4G63 kits include only clips and no lash adjusters?

How do I install 4G63 Rocker Retainers?

Mitsubishi Lancer Evolution (4G63)

Why does the SR20 need Rocker Retainers?

Which SR20 engines do Denstoj kits fit?

SR20: hydraulic lash adjusters or solid lifters?

How do I install the SR20 kit?

Nissan S13 / S14 / S15 / N15 (SR20)

Products and fitment

How much does shipping cost?

How long does delivery take?

Do you ship worldwide?

Will I have to pay import duties or taxes?

Can you lower the customs value or mark my order as a gift?

How do I track my order?

My order says delivered but it hasn't arrived

What if my parcel is lost in transit?

Can I pick up my order from your workshop?

When will my order ship?

Shipping and delivery

Where can I buy Denstoj parts?

Can I cancel my order?

Can I change my order or delivery address?

What currency are your prices in?

What payment methods do you accept?

Do you offer discount codes, sales or free shipping?

How do I sign in to my account?

Can I get a discount?

Orders

What's your return policy?

How do I return an item?

When will I get my refund?

Can I exchange an item?

What if my order arrives damaged or faulty?

What if I receive the wrong item?

Returns and refunds

What does your warranty cover?

How do I make a warranty claim?

Will fitting Rocker Retainers affect my car's factory warranty?

Warranty

Who is Denstoj?

How do I contact Denstoj?

Do you sponsor vehicles?

Do you sell to workshops, engine builders and distributors?

Do you still service cars?

Trade and contact

Which kit fits your engine, what's included, and how rocker retainers work.

Shipping costs, delivery times, tracking, duties and parcel issues.

Cancelling or changing an order, and pricing.

Returns, refunds, exchanges, and damaged or wrong items.

What our warranty covers and how to make a claim.

Trade and distributor accounts, and how to reach us.