Price: $474

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Black Ceramic coated, custom fit small block Oldsmobile headerdesigned by Thornton Reproductions Quakertown PA
ONLY 3 SETS LEFT IN STOCKThis set pictured is ceramic coated in black, 1 set in cast iron gray ceramic coating also available.
Thornton design for that factory fit small block Oldsmobile tubular header for 1966 to 1988 A body, G body, F body Trans Am and 1971 to 1988 B&C bodyWe are very familiar with Oldsmobiles and we can help with your fitment questions and and issues/problems/questions you might have so please ask us how we can help!!This is very universal fit. If you can fit factory exhaust manifolds these headers will fit with out any modifications. Factory fit for 4 speed manual transmissions. standard exhaust head pipe 2 1/4" or 2 1/2". primary tubes are 1 5/8" with 3" collector.Headers are made of stainless and weigh 20 pounds. Stock cast iron exhaust manifolds weigh 40 pounds.
These headers are fitted to replace your factory exhaust manifolds with tubular headers with no modifications needed. There are no issues with clearance with the starter, frame, Z-bar, dip stick, steering shaft, etc. All accessories will fit without modifications; all air conditioning, power steering, alternator brackets all attach to the engine as original . Fitted with stock 4 speed equipment.
These headers will only fit small block Oldsmobiles with 260, 307, 330, 350 and 403 ci. engines.
These headers will fit all A body cars plus the G and F body cars equipped with a small block Oldsmobile.
These headers will Not fit 1965-1970 B&C body Oldsmobiles. Delta 88,98 and Starfires from 1965 to 1970 with a rear mounted steering box toward firewall and steering box is just below rear cylinder on driver side. We have no headers for that design.
If you have special / custom that you are installing small block Oldsmobile in give us a call for fitment.
The exhaust outlet is best fitted to 2 1/2" head pipes with factory style flair and will fit 2 1/4" standard head pipes. Flowmaster and Pypes exhaust will fit perfect with their standard down pipe for the small block Oldsmobile.
Special torque sequence is needed.....do not tighten top center bolt until the other 4 bolts are tight, 25 pounds, start at the center 2 bolts then the 2 outer bolts then the center top bolt lastPlease feel free to ask questions before purchasing. We stand behind all of our parts we sell on so returns are not a problem. Your satisfaction is guarantee
shipping calculator sometimes estimated shipping cost too high and credits are issued accordingly if over charged.
We also offer multiple small block and big block Oldsmobile headers and manifolds,LOOK FOR OUR LISTINGS ON
Thornton Reprouctions832 Mine RdQuakertown, PA 18951

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