B&M Shift Improver Kit - GM TH400 Transmissions - 20260 ignition-boxes Adapter AN Size 8 AN

Adapter AN Size 8 AN FEMALE Billet Color Clear Blower Size 26085 Blower Size 26146 Brand Holley EFI Emission Code 4 Material Billet Aluminum Product Type Injector Spacer Thickness

This bolt-on emissions-legal system features a mandrel-bent aluminized steel inlet pipe flowing into a Super 50™ Series muffler for a moderate performance exterior sound

one adapter for 3 inch carb necks and one adapter for 2-5/8 inch carb necks

Color : Black Unpainted Material/Finish : Metal Rubber Steel Item comes in a Poly Bag packaging

SKU Number : 83504961 Brand : Crown UPC : 848399026191 Part Type : Axle Shaft Assembly Dimension : 31

B&M Shift Improver Kit - GM TH400 Transmissions - 20260 ignition-boxes Adapter AN Size 8 ANOverview: The B&M Shift Improver kits feature two options to recalibrating your 1965 1987 GM TH400, TH375 and TH475 automatic transmissions. First is the HEAVY DUTY set up, giving you firm positive shifts without loss of driver comfort for improved performance in all street vehicles. This is a great option for performance street driving or towing. The second is our STREET STRIP set up. Be warned, this will deliver firm positive shifts you will feel,