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914-6 GT | profile | all galleries >> NP - The 914-6 GT Project >> NP - 3.0 RSR Twin-Plug Race Engine #2 >> 911 RSR 3.0 Liter Twin-Plug Factory Racing Heads - Set 3 (Stratton) >> Arrival tree view | thumbnails | slideshow

Arrival

Detailed photos of the 2.8 RSR heads as received, prior to restoration. Casting p/n https://pbase.com/9146gt/image/151079278 and casting date code 1/73 https://pbase.com/9146gt/image/151079282

This set of 911 RSR at one time were redrilled to be used in either a 2.8 or 3.0 liter crankcase. Note the oval, elongated stud holes https://pbase.com/9146gt/image/151079278 on each of the heads. From a mechanical point of view, redrilling and spacing outward the stud holes on these heads does not create a reliability issue.
Head #1
<< Head #1 >> 		Head #2
<< Head #2 >> 		Head #3
<< Head #3 >> 		Head #4
<< Head #4 >> 		Head #5
<< Head #5 >> 		Head #6
<< Head #6 >>
All Six 911 RSR Heads
<< All Six 911 RSR Heads >>

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