NGK Iridium IX Spark Plug Box of 4 (XR4IX)
€79,95 EUR
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€79,95
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
- Trivalent metal plating for superior anti-corrosion and anti-seizing properties
- Outstanding acceleration, high fuel efficiency and durability
- Fine iridium tip ensures durable and consistent spark
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1954-1958 | Buick | Century | Base |
| 1959-1962 | Buick | Electra | 225 |
| 1959-1965 | Buick | Electra | Base |
| 1965,1967 | Buick | Gran Sport | Base |
| 1959-1963 | Buick | Invicta | Base |
| 1959-1965 | Buick | LeSabre | Base |
| 1965 | Buick | LeSabre | Custom |
| 1958 | Buick | Limited | Base |
| 1963-1965 | Buick | Riviera | Base |
| 1957 | Buick | Roadmaster | 75 |
| 1953-1958 | Buick | Roadmaster | Base |
| 1954,1965-1967 | Buick | Skylark | Base |
| 1951-1958,1962-1963,1965-1967 | Buick | Special | Base |
| 1963,1965-1967 | Buick | Special | Deluxe |
| 1965-1967 | Buick | Sportwagon | Base |
| 1966 | Buick | Sportwagon | Custom |
| 1951-1958 | Buick | Super | Base |
| 1963-1965 | Buick | Wildcat | Base |
| 1965 | Buick | Wildcat | Custom |
| 1965 | Buick | Wildcat | Deluxe |
| 1967 | Cadillac | Calais | Base |
| 1967 | Cadillac | DeVille | Base |
| 1967 | Cadillac | Eldorado | Base |
| 1967 | Cadillac | Fleetwood | 60 Special |
| 1967 | Cadillac | Fleetwood | 75 |
| 1967 | Cadillac | Fleetwood | Brougham |
| 1950-1952 | Cadillac | Series 60 Fleetwood | Base |
| 1950-1951 | Cadillac | Series 61 | Base |
| 1952 | Cadillac | Series 62 | Base |
| 1952 | Cadillac | Series 62 | DeVille |
| 1950-1952 | Cadillac | Series 75 Fleetwood | Base |
| 1950-1968 | Chevrolet | Bel Air | Base |
| 1955-1956 | Chevrolet | Bel Air | Beauville |
| 1955-1957 | Chevrolet | Bel Air | Nomad |
| 1958-1968 | Chevrolet | Biscayne | Base |
| 1960 | Chevrolet | Biscayne | Fleetmaster |
| 1967 | Chevrolet | Camaro | Base |
| 1967 | Chevrolet | Camaro | RS |
| 1966-1968 | Chevrolet | Caprice | Base |
| 1964-1968 | Chevrolet | Chevelle | 300 |
| 1965-1968 | Chevrolet | Chevelle | 300 Deluxe |
| 1967-1968 | Chevrolet | Chevelle | Concours |
| 1967-1968 | Chevrolet | Chevelle | Malibu |
| 1964-1965 | Chevrolet | Chevelle | Malibu Super Sport |
| 1968 | Chevrolet | Chevelle | Nomad |
| 1968 | Chevrolet | Chevelle | Nomad Custom |
| 1967-1968 | Chevrolet | Chevelle | SS 396 |
| 1966 | Chevrolet | Chevelle | Super Sport 396 |
| 1963-1967 | Chevrolet | Chevy II | Base |
| 1963-1968 | Chevrolet | Chevy II | Nova |
| 1967 | Chevrolet | Chevy II | Nova SS |
| 1968 | Chevrolet | El Camino | Custom |
| 1959-1967 | Chevrolet | Impala | Base |
| 1964,1966-1967 | Chevrolet | Impala | SS |
| 1970 | Chevrolet | Nova | Base |
| 1968-1969 | Chrysler | 300 | Base |
| 1975-1978 | Chrysler | Cordoba | Base |
| 1966-1967 | Chrysler | Imperial | Base |
| 1959-1970 | Chrysler | Imperial | Crown |
| 1959-1960,1962-1975 | Chrysler | Imperial | LeBaron |
| 1959-1972 | Chrysler | New Yorker | Base |
| 1972,1975-1978 | Chrysler | New Yorker | Brougham |
| 1959-1960,1962-1963,1966-1971,1973-1978 | Chrysler | Newport | Base |
| 1967-1976 | Chrysler | Newport | Custom |
| 1971-1972 | Chrysler | Newport | Royal |
| 1957-1960 | Chrysler | Saratoga | Base |
| 1957-1963,1967-1972,1975-1977 | Chrysler | Town & Country | Base |
| 1957-1961 | Chrysler | Windsor | Base |
| 1963-1964 | Dodge | 330 | Base |
| 1963-1964 | Dodge | 440 | Base |
| 1962-1965 | Dodge | 880 | Base |
| 1962-1965 | Dodge | 880 | Custom |
| 1971,1974 | Dodge | B200 Van | Base |
| 1974 | Dodge | B200 Van | Maxi |
| 1974 | Dodge | B200 Van | Maxi Wagon |
| 1971,1974 | Dodge | B200 Van | Sportsman |
| 1970-1971 | Dodge | Challenger | Base |
| 1970-1971 | Dodge | Challenger | R/T |
| 1969-1971 | Dodge | Charger | 500 |
| 1967-1974 | Dodge | Charger | Base |
| 1967-1971 | Dodge | Charger | R/T |
| 1969 | Dodge | Charger | SE |
| 1971-1976 | Dodge | Charger | Special Edition |
| 1971 | Dodge | Charger | Super Bee |
| 1965-1970 | Dodge | Coronet | 440 |
| 1965-1970 | Dodge | Coronet | 500 |
| 1953-1959,1965-1966,1970-1976 | Dodge | Coronet | Base |
| 1971,1975-1976 | Dodge | Coronet | Brougham |
| 1971-1976 | Dodge | Coronet | Crestwood |
| 1971-1975 | Dodge | Coronet | Custom |
| 1966-1970 | Dodge | Coronet | Deluxe |
| 1967-1970 | Dodge | Coronet | R/T |
| 1968-1970 | Dodge | Coronet | Super Bee |
| 1954-1961 | Dodge | Custom | Base |
| 1968-1974 | Dodge | D100 Pickup | Base |
| 1967 | Dodge | D100 Series | Base |
| 1968-1974 | Dodge | D200 Pickup | Base |
| 1967 | Dodge | D200 Series | Base |
| 1968-1974 | Dodge | D300 Pickup | Base |
| 1967 | Dodge | D300 Series | Base |
| 1967-1968 | Dodge | Monaco | 500 |
| 1965-1978 | Dodge | Monaco | Base |
| 1974,1977-1978 | Dodge | Monaco | Brougham |
| 1977-1978 | Dodge | Monaco | Crestwood |
| 1974 | Dodge | Monaco | Custom |
| 1975-1976 | Dodge | Monaco | Royal |
| 1975-1976 | Dodge | Monaco | Royal Brougham |
| 1963,1968-1969 | Dodge | Polara | 500 |
| 1960-1973 | Dodge | Polara | Base |
| 1971 | Dodge | Polara | Brougham |
| 1970-1973 | Dodge | Polara | Custom |
| 1970 | Dodge | Polara | Special |
| 1975-1977 | Dodge | Royal Monaco | Base |
| 1975-1977 | Dodge | Royal Monaco | Brougham |
| 1968-1971,1974 | Dodge | W100 Pickup | Base |
| 1967 | Dodge | W100 Series | Base |
| 1969-1971,1974 | Dodge | W200 Pickup | Base |
| 1967 | Dodge | W200 Series | Base |
| 1968-1969,1971 | Dodge | W300 Pickup | Base |
| 1967 | Dodge | W300 Series | Base |
| 1966 | Jeep | CJ3 | Base |
| 1966-1971 | Jeep | CJ5 | Base |
| 1966-1971 | Jeep | CJ6 | Base |
| 1966-1967 | Jeep | Commando | Base |
| 1966-1967 | Jeep | Dispatcher | Base |
| 1966-1970 | Jeep | DJ5 | Base |
| 1966-1968 | Jeep | DJ6 | Base |
| 1966 | Jeep | FC150 | Base |
| 1966 | Jeep | FC170 | Base |
| 1966-1970 | Jeep | Jeepster | Base |
| 1966-1971 | Jeep | Jeepster | Commando |
| 1966-1967 | Jeep | Universal | Base |
| 1970-1971 | Oldsmobile | 442 | Base |
| 1970-1974 | Oldsmobile | 98 | Base |
| 1973-1974 | Oldsmobile | 98 | Regency |
| 1971-1974 | Oldsmobile | Custom Cruiser | Base |
| 1968-1974 | Oldsmobile | Cutlass | Base |
| 1972 | Oldsmobile | Cutlass | Cruiser |
| 1968,1971-1974 | Oldsmobile | Cutlass | S |
| 1971-1974 | Oldsmobile | Cutlass Supreme | Base |
| 1974 | Oldsmobile | Cutlass Supreme | Cruiser |
| 1968 | Oldsmobile | Delmont 88 | Base |
| 1968-1974 | Oldsmobile | Delta 88 | Base |
| 1968-1971 | Oldsmobile | Delta 88 | Custom |
| 1969-1974 | Oldsmobile | Delta 88 | Royale |
| 1964-1972 | Oldsmobile | F85 | Base |
| 1964-1966 | Oldsmobile | F85 | Deluxe |
| 1966 | Oldsmobile | F85 | Holiday |
| 1973-1974 | Oldsmobile | Omega | Base |
| 1968-1974 | Oldsmobile | Toronado | Base |
| 1971-1974 | Oldsmobile | Toronado | Brougham |
| 1968-1970 | Oldsmobile | Toronado | Custom |
| 1968-1975 | Oldsmobile | Vista Cruiser | Base |
| 1964 | Plymouth | Barracuda | Base |
| 1955-1966 | Plymouth | Belvedere | Base |
| 1958-1961 | Plymouth | Custom | Base |
| 1960-1963 | Plymouth | Fleet Special | Base |
| 1956-1958,1960-1966 | Plymouth | Fury | Base |
| 1962-1966 | Plymouth | Fury | Sport |
| 1966 | Plymouth | Fury | VIP |
| 1955-1958 | Plymouth | Plaza | Base |
| 1965-1969 | Plymouth | Satellite | Base |
| 1968-1969 | Plymouth | Satellite | Sport |
| 1955-1958,1963-1964 | Plymouth | Savoy | Base |
| 1955-1958 | Plymouth | Suburban | Base |
| 1956-1957 | Plymouth | Suburban | Custom |
| 1956-1957 | Plymouth | Suburban | Deluxe |
| 1956-1958 | Plymouth | Suburban | Sport |
| 1959-1971 | Pontiac | Bonneville | Base |
| 1959-1962 | Pontiac | Bonneville | Custom |
| 1959-1970 | Pontiac | Bonneville | Safari |
| 1964-1967 | Pontiac | Catalina | 2+2 |
| 1959-1971 | Pontiac | Catalina | Base |
| 1971 | Pontiac | Catalina | Brougham |
| 1959-1971 | Pontiac | Catalina | Safari |
| 1962-1970 | Pontiac | Catalina | Ventura |
| 1967-1970 | Pontiac | Executive | Base |
| 1967-1970 | Pontiac | Executive | Safari |
| 1968-1969 | Pontiac | Firebird | 350 |
| 1969 | Pontiac | Firebird | 350 HO |
| 1967-1971 | Pontiac | Firebird | Base |
| 1970-1971 | Pontiac | Firebird | Esprit |
| 1970-1971 | Pontiac | Firebird | Formula |
| 1967-1968 | Pontiac | Firebird | HO |
| 1970-1971 | Pontiac | Firebird | Trans Am |
| 1962-1971 | Pontiac | Grand Prix | Base |
| 1971 | Pontiac | Grand Safari | Base |
| 1971 | Pontiac | Grandville | Base |
| 1964-1966,1970-1971 | Pontiac | GTO | Base |
| 1970-1971 | Pontiac | GTO | The Judge |
| 1963-1971 | Pontiac | LeMans | Base |
| 1969-1970 | Pontiac | LeMans | Safari |
| 1970-1971 | Pontiac | LeMans | Sport |
| 1971 | Pontiac | LeMans | T37 |
| 1959-1966 | Pontiac | Star Chief | Base |
| 1966 | Pontiac | Star Chief | Executive |
| 1961,1963-1968,1970 | Pontiac | Tempest | Base |
| 1964-1965,1967-1968 | Pontiac | Tempest | Custom |
| 1970 | Pontiac | Tempest | GT |
| 1961 | Pontiac | Tempest | LeMans |
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.