RM-1 D-Port Ram Air Style Factory Headers 64-67 GTO plus other apps

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Availability: In stock

$349.00

Quick Overview


Pair LH and RH Ram Air D-port manifolds (shown with gray ceramic coating)


Pair LH and RH Ram Air D-port manifolds (shown at right with gray ceramic coating)


GET TUBE HEADER PERFORMANCE & EFFICIENCY WITHOUT ALL OF THE TUBE HEADER HASSLE AND GROUND CLEARANCE PROBS:

BOLT IN FIT FOR : 1961-1963 Tempest/LeMans,
64-67 Tempest/GTO/LM
73-79 LeMans,
73-87 Grand Prix,
78-87 GM G-body (Lemans, Regal)
71-79 GM B-Body (Catalina/Bonne/Grandville/Parisienne)


Ports are CNC'd and interior of castings are detailed...ready to run.


Our castings are FAR SUPERIOR to competitors castings found at Ames / performance years/ Parts Place/ Classic ind. and Year One. Theirs all have terrible port detail and weigh 30% more! Our Lifetime warranty speaks to our quality.

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$349.00

RM-1 in Gray Ceramic

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  • RM-1 in Gray Ceramic
  • Ceramic siver sample
  • Competitive comparison-port/detail
  • Competitive comparison-collector & bosses

Details

Pair LH and RH Ram Air D-port manifolds (shown with gray ceramic coating)

Fits 64-67 GM a-body with d-port heads. also fits 73-79 GM a-body with d-port heads. 69-85 g-body, 71-79 b-body. Ideal for 2.5" or 3" exhaust system. Ports are CNC'd and interior of castings are detailed...ready to run.

Click on photo at right for comparison photo with others' castings. Our castings are much higher quality than what you'd receive from the catalog suppliers such as YearOne, Perf Yrs, Classic, PartsPlace, etc... Photo shows casting from Performance Years in foreground...Our casting, in rear, has correct port detail, overall head flange config is crisp & correct and correct pn type and position. Casting from Catalog Suppliers has poor detail, they also cast with 2 pn.s and grind off extra one off depending on the application. Our castings are backed by Lifetime Guarantee on material and workmanship
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Original casting numbers on manifolds. LH: 9777646 RH: 9777642.

Collector opening is 2.20" You can use 2.25" or 2.5" pipe size. We recommend using our 2.5" mandrel bent downpipes...either our SSP-6 or SHP-6 mandrel downpipes. Both require our FL-1-OS 2.5" flanges.

GET $25.00 OFF WHEN YOU ORDER OUR X-CROSSOVER EXHAUST SYSTEM WITH OUR FACTORY HEADERS!

OPTIONAL CERAMIC COATING:
Both castings are port-matched to Pontiac blueprint then thermal barrier ceramic coating is applied and cured on interior and exterior. Choice of Silver or Gray. 3-year Guarantee. Will not burn off, fade or peel. Reduces header temperature 40%! Silver is chrome-like. Gray looks stock.

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