AST F97 X3M / F98 X4M Lowering Spring Set

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Description

AST F97 X3M / F98 X4M Lowering Spring SetAST Lowering springs are manufactured from a premium high tensile chromium silicone wire which is handpicked by AST engineers for its quality and metal consistency. Each spring is cold wound and then heat treated to increase hardness and reduce internal stresses present after winding. Each spring is then individually shot peened, phosphate treated and then powder coated to outlast even the life of the vehicle. Product Details: Progressive rates on

6L 1999-2000 Infiniti QX4 Gas V6-3

Efficiency is the name of the game and this intercooler will get the most out of your stock turbos and still has plenty left over for future upgrades to go along with it

Stainless Single Wall Muffler RO-TSVA-SM Stainless Double Wall Muffler RO-TSVA-DM Burnt Stainless Single Wall Muffler RO-TTVA-SM Burnt Stainless Double Wall Muffler RO-TTVA-DM

With our J-Pipe

Daily drivability with a sound Track

this coupler is guaranteed to fit perfectly and stay together even in big horsepower

RO-TTVB-SM

Includes silicone hoses and clamps

TIG welded construction for strength and durability

1408-RA019

our Air Oil Separators operate without the need for routine draining and maintenance

Required parts: Valve Spring Upgrade or Head System STEP2

Exchange/Return Notes