The TODA RACING Up Rated Valve Springs Set for the SR20det allow maximum lift while preventing valve float, which can occur under high rpm, high lift conditions.
Their specific spring rate prevents damage to the camshafts, which may occur as a result of using valve springs that are too stiff. Valve springs that are too stiff may also put additional stress on the timing belt and cause shredding and breakage. TODA valve springs are egg shaped, which increase load capacity by 20% and reduce weight by 15% compare with conventional round shaped valve springs.
| Year | Make | Model | Trim | App Notes |
| 1989 - 1993 | Nissan | Silvia | (S13) L4 2.0L SR20DET | None |
| 2000 - 2002 | Nissan | 200SX (Non-US) | (S15) L4 2.0L SR20DET | None |
| 1994 - 1998 | Nissan | 200SX (Non-US) | (S14) L4 2.0L SR20DET | None |
| 1989 - 1998 | Nissan | 180SX | (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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