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YTR-YT6684 PART NUMBER
Yella Terra Pro Street Roller Rockers LS1 LS2 1.8 ADJ Ratio YT6684$1,000.00
Fits Chevy LS1 LS2 Factory and Aftermarket Head, 1.8 Ratio, Adjustable, 8mm Cap Screw, Set of 16 Rocker Arms, Max Spring Pressure 600 lbs, Max Spring Diameter 1.550" Learn More -
YTR-YT6683-M10 PART NUMBER
Yella Terra Pro Street Roller Rockers LS1 LS2 1.7 ADJ Ratio YT6683-M10$1,091.00
Fits Chevy LS1 LS2 Factory and Aftermarket Head, 1.7 Ratio, Adjustable, 10mm Cap Screw, Set of 16 Rocker Arms, Max Spring Pressure 600 lbs, Max Spring Diameter 1.550" Learn More -
YT6684-M10 PART NUMBER
Yella Terra Pro Street Roller Rockers LS1 LS2 1.8 ADJ Ratio YT6684-M10$826.00
Fits Chevy LS1 LS2 Factory and Aftermarket Head, 1.8 Ratio, Adjustable, 10mm Cap Screw, Set of 16 Rocker Arms, Max Spring Pressure 600 lbs, Max Spring Diameter 1.550" Learn More -
YTR-YT6640 PART NUMBER
Yella Terra Platinum Roller Rockers LS1 LS2 1.7 ADJ Ratio YT6640$1,111.00
Fits Chevy LS1 LS2 Factory and Aftermarket Head, 1.7 Ratio, Adjustable, 7/16" Cap Screw, Set of 16 Rocker Arms, Max Spring Pressure 900 lbs, Max Spring Diameter 1.550" Learn More -
YTR-YT6648 PART NUMBER
Yella Terra Platinum Roller Rockers LS1 LS2 1.8 ADJ Ratio YT6648$894.00
Fits Chevy LS1 LS2 Factory and Aftermarket Head, 1.8 Ratio, Adjustable, 7/16" Cap Screw, Set of 16 Rocker Arms, Max Spring Pressure 900 lbs, Max Spring Diameter 1.550" Learn More -
YTR-YT6640-M10 PART NUMBER
Yella Terra Platinum Roller Rockers LS1 LS2 1.7 ADJ Ratio YT6640-M10$1,111.00
Fits Chevy LS1 LS2 Factory and Aftermarket Head, 1.7 Ratio, Adjustable, 10mm Cap Screw, Set of 16 Rocker Arms, Max Spring Pressure 900 lbs, Max Spring Diameter 1.550" Learn More -
YTR-YT6648-M10 PART NUMBER
Yella Terra Platinum Roller Rockers LS1 LS2 1.8 ADJ Ratio YT6648-M10$894.00
Fits Chevy LS1 LS2 Factory and Aftermarket Head, 1.8 Ratio, Adjustable, 10mm Cap Screw, Set of 16 Rocker Arms, Max Spring Pressure 900 lbs, Max Spring Diameter 1.550" Learn More -
YTR-YT6645-M10 PART NUMBER
Yella Terra Ultralite Roller Rockers LS1 LS2 1.7 HYD Ratio YT6645-M10Special Price $620.00 Regular Price $681.00
Fits Chevy LS1 LS2 Factory and Aftermarket Head, 1.7 Ratio, Non Adjustable, 10mm Cap screw, Set of 16 Rocker Arms, Max Spring Pressure 400 lbs, Max Spring Diameter 1.550" Learn More -
YTR-YT6646-M10 PART NUMBER
Yella Terra Ultralite Roller Rockers LS1 LS2 1.8 HYD Ratio YT6646-M10Special Price $620.00 Regular Price $681.00
Fits Chevy LS1 LS2 Factory and Aftermarket Head, 1.8 Ratio, Non Adjustable, 10mm Cap Screw, Set of 16 Rocker Arms, Max Spring Pressure 400 lbs, Max Spring Diameter 1.550" Learn More