1967-1972 Chevrolet, GMC BBC Headers Master Cylinders and Kits 1953-82 Chevy Corvette then slide in the new

then slide in the new complete subframe

For non-staggered rear shock applications only

They are retrofit to position just right in your vehicle and include the turn signal plug and horn relay to adapt right to your truck

5 inch diameter bearing stub

1967-1972 Chevrolet, GMC BBC Headers Master Cylinders and Kits 1953-82 Chevy Corvette then slide in the new1967 1972 Chevrolet, GMC Truck 396 502 BBC Swap Tri Y Headers Header Style: 4: 2: 1 Long Tube Tri Y Headers Material: Steel Finish: Silver Ceramic Coated Weld Up: Yes, adapters must be welded to exhaust system Primary Tube Diameter (in): 1 5 8" Primary Tube Gauge: 14 Gauge Collector Attachment: 3 Bolt Flange Collector Diameter: 2 1 2" Tuned: No Flange Thickness: 3 8" Bolts and or Studs Included: Yes Gaskets Included: Yes Reducers Adapters Included: