Current-facts boundary: 本页只发布本轮审核通过的当前事实。历史 JSW 页面可用于迁移背景，但不作为当前 RF 事实；现有 RF 强营销表述也未自动复制。
Reviewed Current Facts
- Current RF Application source names RF420SM four-piston for Suzuki Jimny.
- Reviewed source specifies a 295 mm brake-disc setup in its current application title/positioning.
- RF420SM is a distinct current name and must not be silently renamed to RF420S.
- Historical JSW hose fitment remains unconfirmed for current RF.
Claim & Scope Limits
- No blanket Jimny generation/year coverage beyond the reviewed source context.
- No hose-equivalence claim.
- No blanket certification/performance claim.