Assembled IN USA by ROKI Co. LTD (Formally Toyo Roki Mfg. Co., Ltd)., Part number is H1540-RTA-515. Filter weights 212.62 grams or 7.5 oz.
BRAND NEW FACTORY SEALED Genuine JDM HAMP Oil Filter. Assembled IN USA by ROKI Co. LTD (Formally Toyo Roki Mfg. Co., Ltd). Hamp filters are designed to keep a more constant Oil Pressure, and raises oil pressure by about 5 psi. If you know JDM then you know this product needs no introduction. Hamp is Honda's Japanese aftermarket product "Hamp Synergy". The Hamp Synergy are set up after the Honda original parts products. These can be used on any Honda, but are specifically designed with Type Rs, and Type Ss in mind. Features to this item include a unique release valve that dynamically adjusts to the conditions within the filter to keep the flow and pressure constant. The HAMP oil filter will last longer and filter better than any other filter on the market. An item that is a definite must have for any B series or K series high performance high revving VTEC/iVTEC motors!
Fits: ALL 88-00 fuel injected Honda engines, as well as the 03' Civic Si, 06+ Civic and Civic Sis and the RSX, and RSX Type-S as well as H22A.
As Quoted from ROKI Co. LTD Site:
Engine oil is as vital to a vehicle's engine as blood is to a human body; engine oil ensures that all the vital engine parts will continue to function properly. At ROKI Co., Ltd. we constantly strive to develop advanced, efficient oil filtration systems which also take the environment into consideration.
Below 4 pics from ROKI Co. LTD Site:
LEFT: H1540-RTA-515 ROKI 212.62 grams or 7.5 oz VS RIGHT: H1540-RTA-003 Mahle 184.272 grams or 6.5 oz.