Quick view Details Sonnax 4L30E Boost Valve | Sonnax | Medium Ratio 448 Code MSRP: Now: $58.70 Add to Cart Quick view Sonnax 4L30E Boost Valve | Sonnax | Medium Ratio 448 Code 4L30E Boost Valve Medium Ratio - OE Code 448 Sonnax Part Number: 54200-01K NO TOOLING REQUIRED In GM 4L30-E, AR25 and AR35 units, the OE boost valves are made of steel, whereas the sleeves are made out of aluminum. Over time the valve wears against... MSRP: Now: $58.70 Add to Cart Compare Selected
Quick view Sonnax 4L30E Boost Valve | Sonnax | Medium Ratio 448 Code 4L30E Boost Valve Medium Ratio - OE Code 448 Sonnax Part Number: 54200-01K NO TOOLING REQUIRED In GM 4L30-E, AR25 and AR35 units, the OE boost valves are made of steel, whereas the sleeves are made out of aluminum. Over time the valve wears against... MSRP: Now: $58.70 Add to Cart Compare Selected