⚖️ Compare: F6Boost, 16 inch, 5.5J vs SUPER-RS RS557, 20 inch, 20×8.5J, 5/114.3, ET38 vs SEIN EK, 14 inch, 5.5J, +43, 4H-100

Put the parts or tools you picked side by side and compare the brand, specs, reference price band, official page and where to buy.

Item F6Boost, 16 inch, 5.5J (schematic) F6Boost, 16 inch, 5.5J Remove ✕ SUPER-RS RS557, 20 inch, 20×8.5J, 5/114.3, ET38 (schematic) SUPER-RS RS557, 20 inch, 20×8.5J, 5/114.3, ET38 Remove ✕ SEIN EK, 14 inch, 5.5J, +43, 4H-100 (schematic) SEIN EK, 14 inch, 5.5J, +43, 4H-100 Remove ✕
Brand BLEST Corporation
Japan
BBS Japan Co., Ltd.
Germany / Japan
ENKEI Corporation
Japan
Category 🛞 Wheels 🛞 Wheels 🛞 Wheels
Type AftermarketAftermarketAftermarket
Part number —RS557—
Key specs 16 inch / 5.5J / PCD139.7 / 5H20×8.5J / 20 inch / PCD114.3 / 5H / ET38 / 5/114.314 inch / 5.5J / PCD100 / 4H-100 / +43
Fitment 5H PCD139.7, off-roaders and vans5H PCD114.3, fits multiple models4H PCD100, kei and compact cars
Reference price JPY 134,800
Price listed on kakaku.com (surveyed 2026-08)
JPY 230,670
Price listed on kakaku.com (surveyed 2026-08)
JPY 33,200
Price listed on kakaku.com (surveyed 2026-08)
Official Product page ↗ Product page ↗ Official ↗
Where to buy
About these figures. Reference prices are from the time of our survey, with the source under each one. Always confirm fitment and current prices on each maker’s official site.