Genuine JDM HKS 4-Bolt External Wastegate (K00030 20G) — As-Is (Missing Fire Ring / Valve Seat)

IMPORTANT CONDITION NOTE (SOLD AS-IS): This genuine JDM HKS external wastegate is missing the bottom replaceable inlet fire ring / valve seat plate (HKS replacement part # 1499-RA085 for 40mm Standard or # 1499-RA084 for 50mm Racing; standard 4-bolt HKS-style fire rings also fit). Priced at a massive discount ($50.00 vs. $435.00 original HKS retail MSRP) accordingly! Specifications & Cast Markings Brand & Origin: Authentic JDM HKS Co., Ltd. (Japan) Cast Body Markings: HKS K00030 20G on the cast lower exhaust body Upper Housing: Classic HKS finned / ribbed cast-aluminum diaphragm actuator top hat with top and side boost reference ports Flange Configuration: Inlet Flange: 4-bolt square HKS-pattern inlet flange with mounting studs installed Outlet Flange: 2-bolt side dump / screamer pipe outlet flange Condition & Replacement Fire Ring Details Sold As-Is: Used condition with normal exhaust heat patina and surface wear as pictured. Missing Part: Requires the removable bottom inlet valve seat / fire ring plate before installation (HKS OEM part # 1499-RA085 [40mm Standard] or # 1499-RA084 [50mm Racing], or a compatible 4-bolt HKS-pattern replacement fire ring). 1-of-1 Unit: You will receive the exact physical HKS wastegate shown in the photos. Market Value & Pricing Note Market Value Note: Original HKS retail MSRP was ~$435.00, and complete used genuine HKS `K00030` 4-bolt external wastegates typically sell for $150–$250+ on eBay. Listed here at just $50.00 as-is for followers!