Seller notes

Professional porting service for your TPI BASE that yields up to 25ft lbs of torque and 25 horsepower Price listed is for Level 3 full porting and polishing of a TPI base to match or exceed the aftermarket Accel or Edelbrock TPI bases In 1985 the factory TPI base was designed for a 305 and 305 heads, this is the SAME intake used on all 85-92 tuned port injections. All 350 TPI L98's from 85-92 with 128, 113, or 083 heads are 1204 ports or 1.98 x 1.22 length x width. The factory TPI base ports are...

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