Attention SC430 Owners!
08-11-03, 06:35 AM
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Attention SC430 Owners!
Potenza RE040 RFT in 245/40ZR18 size for Lexus SC430
While Original Equipment tire design is integrated into the development of new cars, it doesn't necessarily stop when the vehicles are introduced. During the Lexus SC430 luxury hardtop convertible's first two years, it has been equipped with three similar, but visually different versions of the Bridgestone Potenza RE040 RFT tires in the 245/40R18 size. These versions represent examples of how Bridgestone is working with Lexus to expand the envelope in Ultra High Performance run-flat tire wear, ride and noise qualities.
Original Specification
Identifier "PZ"
BS Article Number 103-721
TTR Part Number 44ZR8RE040RFT
Status Discontinued and no inventory remains at Bridgestone or The Tire Rack.
Second Specification
Identifier "VZ"
BS Article Number 149-940
TTR Part Number 44ZR8RE040RFTRP
Status Discontinued and no inventory remains at Bridgestone. Tire Rack has limited inventory. Distinguishing feature Revised rim protector
Latest Specification
Identifier "NZ"
BS Article Number 149-940
TTR Part Number 44ZR8RE040RFTNZ
Status Only spec that BS will provide into the future Distinguishing feature A 1/2-inch wide solid tie-bar connects the inner portion of the shoulder blocks near the first circumferential groove. This makes the lateral grooves of the standard Potenza RE040 design become notches in this design.
Bridgestone Japan Technical group advises there are no restrictions on mixing the tires. They have tested all the various combinations of old and new specifications (1+3, 2+2, 3+1, etc.), so from a technical standpoint, it is acceptable to mix and match any of the 3 specs on the same vehicle.
While The Tire Rack currently has a limited inventory of the "VZ" spec, and the new "NZ" specification, all inventory currently being shipped by Bridgestone is the new specification, which is taking over the same Article Number (149-940) as used on the now discontinued "VZ" spec.
While Original Equipment tire design is integrated into the development of new cars, it doesn't necessarily stop when the vehicles are introduced. During the Lexus SC430 luxury hardtop convertible's first two years, it has been equipped with three similar, but visually different versions of the Bridgestone Potenza RE040 RFT tires in the 245/40R18 size. These versions represent examples of how Bridgestone is working with Lexus to expand the envelope in Ultra High Performance run-flat tire wear, ride and noise qualities.
Original Specification
Identifier "PZ"
BS Article Number 103-721
TTR Part Number 44ZR8RE040RFT
Status Discontinued and no inventory remains at Bridgestone or The Tire Rack.
Second Specification
Identifier "VZ"
BS Article Number 149-940
TTR Part Number 44ZR8RE040RFTRP
Status Discontinued and no inventory remains at Bridgestone. Tire Rack has limited inventory. Distinguishing feature Revised rim protector
Latest Specification
Identifier "NZ"
BS Article Number 149-940
TTR Part Number 44ZR8RE040RFTNZ
Status Only spec that BS will provide into the future Distinguishing feature A 1/2-inch wide solid tie-bar connects the inner portion of the shoulder blocks near the first circumferential groove. This makes the lateral grooves of the standard Potenza RE040 design become notches in this design.
Bridgestone Japan Technical group advises there are no restrictions on mixing the tires. They have tested all the various combinations of old and new specifications (1+3, 2+2, 3+1, etc.), so from a technical standpoint, it is acceptable to mix and match any of the 3 specs on the same vehicle.
While The Tire Rack currently has a limited inventory of the "VZ" spec, and the new "NZ" specification, all inventory currently being shipped by Bridgestone is the new specification, which is taking over the same Article Number (149-940) as used on the now discontinued "VZ" spec.
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