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HKS Valve Spring
HKS

HKS valve springs are the performance versions specifically designed to be used with HKS camshafts.

HKS valve springs are the performance versions specifically designed to be used with HKS camshafts.



As valve train dynamics change from the use of high performance cam profiles and with greater lift, stiffer springs are often needed to optimize valve movement.

When changing to a high lift cam, the stock springs often can not match the increased valve train movement, therefore HKS has specifically engineered valve springs that match the characteristics of HKS camshafts.

A stringent shot peening and heat treatment process is applied to the HKS valve springs to provide durability and consistency in the spring rates over time.

Applications with high revving engines will especially benefit from the use of HKS valve springs, as the risk of valve-float is greatly reduced due to their specific design and construction.

Product Version Vehicle Compatibility Price Order
22001-AM001
To Suit Mitsubishi 4G63 EVO 1 to VII
4G63
USD $ 170.98
USD $ 188.89
Vehicle Compatibility
4G63
22001-AN001
To Suit Nissan RB26DETT STEP2, BNR32,BCNR33,BNR34
RB26DETT
USD $ 342.41
USD $ 395.49
Vehicle Compatibility
RB26DETT
22001-AN002
To Suit Nissan SR20DET STEP2 (RNN14 NOT SUITABLE)
SR20DET
USD $ 183.10
USD $ 211.48
Vehicle Compatibility
SR20DET
2201-RN012
To Suit RB26DETT STEP 3L
RB26DETT
USD $ 342.41
USD $ 395.49
Vehicle Compatibility
RB26DETT
2201-RN015
To Suit RB26DETT STEP PRO CAMSHAFT
RB26DETT
DISCONTINUED DISCONTINUED
Vehicle Compatibility
RB26DETT
2201-RT004
To Suit Toyota 4A-G(Z)E (5 Valve not Suitable)
4A-G(Z)E
USD $ 114.14
USD $ 131.83
Vehicle Compatibility
4A-G(Z)E
2201-RT014
To Suit Toyota 3S-GTE Inner Shim ( VVi Not Suitable)
3S-GTE
USD $ 171.21
USD $ 197.74
Vehicle Compatibility
3S-GTE
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Nengun Performance
NENGUN CO. LTD
4798-455 Imazu
Nishi-ku, Fukuoka
Japan, 819-0165

Kobutsuho No.
901080810037