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4V/TA - SC/D3
just seen a trick new $1120 CID D3/SC/TransAm 4V Boss type port intake out...
https://www.cidheads.com/collection...ance-intake-manifold-to-suit-a-9-5-deck-block
its even a bit cheaper than the $2500 Roush/Yates D3 port int...
https://www.sriperformance.com/roush-yates-ry45-intake-manifold-p/rye-16324.htm
(D3 int Port Size: 2.220" x 1.680")
interesting that D3 int port dimensions are close to same size as old org >Boss 4V TransAm race heads< just moved higher up now
also for those that dont know, the >Big HP D3 designs< use the biggest int valve possible with a min 300+cc intake port runner size
D3 intake gasket size 2.230" X 1.690"
http://www.sriperformance.com/cometic-intake-gasket-p/com-ir560sp1060kf.htm
just seen a trick new $1120 CID D3/SC/TransAm 4V Boss type port intake out...
https://www.cidheads.com/collection...ance-intake-manifold-to-suit-a-9-5-deck-block

its even a bit cheaper than the $2500 Roush/Yates D3 port int...
https://www.sriperformance.com/roush-yates-ry45-intake-manifold-p/rye-16324.htm

(D3 int Port Size: 2.220" x 1.680")
interesting that D3 int port dimensions are close to same size as old org >Boss 4V TransAm race heads< just moved higher up now
also for those that dont know, the >Big HP D3 designs< use the biggest int valve possible with a min 300+cc intake port runner size
D3 intake gasket size 2.230" X 1.690"
http://www.sriperformance.com/cometic-intake-gasket-p/com-ir560sp1060kf.htm
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