If you want customization, you can make a note when purchasing or contact customer service.

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This product is suitable for four-cylinder carburetors and is priced for 4 sets.

Standard Jetting Specifications Center Bell Crank

RS34-D21：
Suz GSX600F Katana (1988)
Suz GSX-R750 (88-92)
Suz GS750
Kaw KZ750