When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Pontiac V8 stock valve springs 400 455 389 350 428 GTO Firebird:
$95.00
Pontiac V8 1965 to 1979 valve springs
Also see my other sales with springs retainers and also with locksDoes 1 pair of Pontiac D-port cylinder heads sale is for:16 new dual spring valve springsHigh quality stock replacement dual spring valve springs.Stay away from single springs! Pontiac never used them, either do I! Parts used and manufactured for Pontiac engine builder and guru, Spotts PerformanceThe dual valve springs are “dropin” on 1965 to 1979 PontiacD-port factory heads(except early SD, some 67 Ram Air).Also good for performance cams with under .470 lift and positive seals used.positive seals allow more retainer to seal clearance.See my other sales for .500 and .503 ID viton sealsMake sure your machine shop is competent in checking clearances when using higher then stock cam specs of .406 Spring specs: They install at 1.590 to 1.610– factory height.1"coil bind – you need/should have .080 from coil bindClosed spring pressure is 95-105 lbs.Open spring pressure is below 300 lbs. – the “happy” pressure to ensure cam break in and longevity.ok to use steel shields - I usually do not. I recommend positive valve guide seals – check my other sale for those (not included with this sale –picture for reference) Not important for stock cams with .406/.408 lift (like 066 067 068 744 cams)This kit is for hydraulic and small solid flat tappet cams. NOT recommended for any roller cam These springs are for:066/067 cam067 high lift cam068 cam068 high lift cam744 RAIII camSee my other sales for high quality Pontiac cam and lifter kitsUS made!Free and fast shipping!
