Circuit Sports Stainless Steel SR20DET Rocker Arm Stoppers. These stainless steel rocker arm stoppers are for RWD SR20DET. Stainless steel will not rust or chip away under extensive use and abuse. These are much better than the mild steel GReddy RAS.
One of the main concerns with the SR20DET are the rockers floating at high RPMs. To protect the rockers from floating and keep it in its place, these rocker arm stopper is a must to protect engine from severe damage.
***These RAS can be used on all S14/S15 SR models also. Some trimming and cutting of the material underneath the valve cover near the oil cap area is necessary to make it fit in S14/S15 motors.***
| Year | Make | Model | Trim | App Notes |
| 1989 - 1998 | Nissan | 180SX | (S13) L4 2.0L SR20DET | None |
| 1994 - 1998 | Nissan | 200SX (Non-US) | (S14) L4 2.0L SR20DET | None |
| 2000 - 2002 | Nissan | 200SX (Non-US) | (S15) L4 2.0L SR20DET | None |
| 1989 - 1993 | Nissan | Silvia | (S13) L4 2.0L SR20DET | None |
| 1994 - 1998 | Nissan | Silvia | (S14) L4 2.0L SR20DET | None |
| 1999 - 2002 | Nissan | Silvia | (S15) L4 2.0L SR20DET | None |
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