How to buy our products

You can contact through FAX (+81-3-3920-4176) or E-MAIL (contact form). We will make and reply an estimate, availability, and the other your questions.
Making a purchase
We accept the order through FAX or E-MAIL. We need your name, country, shipping address, phone number, the method of payment, and purchasing product information.
We prepared method of payments such as bank wire transfer, cash on delivery (C.O.D), and the Paypal. You can pay with credit card through the Paypal. We will ask the bank commission when you send wire bank transfer. The C.O.D. is only for Japan domestic shipping.
You should check articles soon after receive them. We can ship overseas countries.


When you mistook purchasing, you have to make returning goods procedure through your purchasing shop within less than one week after you received the goods. However, we don't accept the following case.

  • After you opened the package, you did modifying and/or painting to the goods. This case is including our doing depending on your order.
  • Case about the goods that you had install. When it was judged that we couldn't reuse the returning goods.

How to order the machining

You can contact through FAX (+81-3-3920-4176) or E-MAIL (contact form). We will reply about estimate, availability, necessary parts, and so on.
Packing & Sending
The parts for machining and necessary parts pack in thick corrugated cardboard together with buffer such as news paper, and be careful not to injure the parts. Please make the part which you send a minimum, and remove a sensor kind. Contain your information (your name, address, phone number, and so on) and working request in the sending packet.
Arrive & Checking
We will unpack the arrived packet soon, and check the parts and the working directions. We will quote costs and the estimated date of delivery. And we will let you know them through phone, fax, or e-mail.
After finished, we will let you know the final cost. We prepared method of payments such as bank wire transfer, cash on delivery (C.O.D), and the Paypal. We will ship the finished parts after we check your payment in our bank. We will ask the bank commission or C.O.D. commission (JPY1,100yen).
Delivery (send back)
You should check articles soon after receive them.

■ Necessary parts

● Boring and honing
Cylinder block with crank cap, pistons for a set without piston pins and piston rings.
● Cutting valve seat, exchange valve guides, exchange valve seat rings
Cylinder head without cam cap, valves for a set.
  • Contain valve guides and valve seat rings if you prepared.
● Dynamic balance
Crank, clutch cover, flywheel, pulley
Crank shaft
  • Some V6 or L3 engine needs dummy weight for adjusting weight. In this case, we need a piston, a piston pin, piston rings, snap rings, a connecting rod, and a rod bearing. We will ask a production fee separately when we need to make the dummy weight.
  • Some of foreign-made car cannot balance crank shaft alone.
● Modifying propeller shaft
Processing dimension figure of two propeller shafts.
● Polish cylinder block surface
Cylinder block
  • The front cover will need if the front cover is same as height of top surface of cylinder block such as SR20, L20, and so on.
● Polish cylinder head surface
Cylinder head only. (Please remove valve spring and so on)

About shipping cost

The shipping cost is the following. We bear the shipping cost if the ordering doesn't correspond the following condition. However, shipping to the overseas country is not this term.

Class A:
Machining request (i.e. except product purchasing)
Class B:
The next product purchasing
First four digit of part #: 4001 (Exhaust muffler), 6003 (Drag rear menber), 6004 (Rear sub-frame), and large size parts of exteriors and interiors within 8001 to 8501
Class C:
The goods except class A to B
PrefectureClass AClass BClass C
Total purchasing price under JPY50,000yen under JPY50,000yen
Hokkaido JPY2,200JPY4,400JPY1,650
Aomori, Akita, Iwate, Yamagata JPY1,870JPY4,400JPY1,320
Miyagi, Fukushima, Ibaraki, Gunma, Tochigi, Saitama, Chiba, Tokyo, Kanagawa JPY1,650JPY4,400JPY1,100
Niigata, Toyama, Ishikawa, Fukui JPY1,870JPY4,400JPY1,320
Yamanashi, Nagano, Gifu, Shizuoka, Aichi, Mie, Shiga JPY1,650JPY4,400JPY1,100
Kyoto, Osaka, Hyougo, Nara, Wakayama JPY1,870JPY4,400JPY1,320
Tottori, Shimane, Okayama, Hiroshima, Yamaguchi JPY1,870JPY4,400JPY1,320
Tokushima, Kagawa, Ehime, Kouchi JPY1,870JPY4,400JPY1,320
Fukuoka, Saga, Nagasaki, Kumamoto, Ouita, Miyazaki, Kagoshima JPY2,200JPY4,400JPY1,650
Okinawa Estimates each order (in spite of the total cost)
Overseas Estimates each order (in spite of the total cost)

Terms and Conditions (for Japan domestic)

Indication about the sales subject
1Management person in charge Representative director executive director: Kei Tanaka
2Company name Tanaka Industrial Co., Ltd.
3Address Sekimachi-kita 3-1-7, Nerima-ku, Tokyo 1770051, Japan
4Phone number 03-3920-4165
5FAX number 03-3920-4176
6E-mail address
Indication about sales and the condition of the articles
1Sales prices By article. We show MSRP (w/tax) each pages.
2Payment terms
  1. Prepayment
  2. Cash on delivery (Using service of home delivery company)
3Method of payment
  1. Bank wire transfer
  2. C.O.D. of home delivery company
  3. PayPal and credit card through the Paypal
4Delivery term We usually ship the articles in less than two business days after we check your payment.
However, it is not this limit in case of articles with no stock.
5The term of validity of the application Accept after seven business days.
6The limit of pieces The limit condition shows each articles page. It is not limit if the condition doesn't show.
7How to apply
  1. E-mail
  2. FAX
Terms of returning goods
  • We will compensate in the next cases. 1)The goods had damaged in transporting. 2)The arrived goods was wrong. 3)The goods didn't work correctly by defect production.
  • We will deny compensation in the next cases. 1)The goods became dirty or became scratch, because of you. 2)The goods which we processed by your request. (e.g. paint aero part) 3)The goods which was installed and/or which was used.
1Returning term Seven business days after you received
2Returning cost
  1. Returning shipping cost
  2. Returning cash commissions (e.g. bank commission)
  3. Credit card commission (when you purchased with credit card)
  4. For other various costs (e.g. packing box fee)
We bear returning cost when you return defect production.
We will ask returning cost when you return your reason.
Incidental costs
1Shipping cost Please refer to a list of shipping cost.
2Consumption tax 10 percent (Taxable article x 10%)
3C.O.D. commission JPY1,100yen
When you chose C.O.D. as payment method.
4The other cost The bank wire commission.
About products
  • Some of our products are including race use only. When you use the product which does not adapt to Road Vehicles Law in a general public road, you may be punished for faulty maintenance car.
  • Maintenance for security is responsibility of the vehicle drivers. Please perform the check maintenance before the drive, and the periodical part exchange by all means.
  • There is the product which needs a high technique to install a product. Please ask the reliable pro shop for installation.
  • We may change a price and the specifications without a notice.

Domestic Authorized Dealers

CLUB RH93-317 Asahi, Maruoka-cho, Sakai-shi, Fukui0776-67-29800776-67-2970
IS-WiLL Car's Japan7-40-2 Komatsu-cho, Chigusa-ku, Nagoya-shi, Aichi052-745-8870052-745-8871
Kameari Engine Works3-1-16 Midori-machi, Yashio-shi, Saitama0489-98-23230489-97-9085
M & N2-24-2 Sugababa, Tama-ku, Kawasaki-shi, Kanagawa044-272-5957044-272-5958
HPI CO., LTD.2-10-20 Matsue, Edogawa-ku, Tokyo03-5663-255103-5663-2561
Sankyo246-3 Kyome-machi, Takasaki-shi, Gunma027-352-9393027-352-9392
SARD Co., Ltd.50 Kamisotone, Wakabayashi-higashi-cho, Toyota-shi, Aichi0565-53-11660565-52-5482
Takama Competition Products3-11-4 Shibaura, Minato-ku, Tokyo03-3798-185103-3798-2042
T.I.C3-26-21 Higashi-shinagawa, Shinagawa-ku, Tokyo03-3450-169103-3450-1693
TRUST3155-5 Oodai, Shibayama-machi, Yamagake-gun, Chiba0479-77-09700479-77-2539
Tomei Powered1737-3 Tsuruma Machida-shi, Tokyo0427-95-84110427-99-7851
Bando Shokai1059 Onomichi, Machida-shi, Tokyo042-734-8861042-734-9561
Plamhim89-7 Shinbaru, Sue-machi, Kasuya-gun, Fukuoka092-931-0885092-931-0886
Maruka Service1-3 Shionagi-cho, Minatoku, Nagoya-shi, Aichi052-746-7000052-398-3000
Rays5-3-18 Osada-nishi, Higashi-osaka-shi, Osaka06-6747-200106-6747-2002