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Siamese cylinder bores with extra thick walls
which results in consistent oil pressure and increased horsepower output
Z150-301-01
This includes the following thread adapters: Thread inserts (3/4”-16 internal thread) 3/4”-16 thread insert (Gold) 13/16”-16 thread insert (Blue) M18 x 1
Billet Specialties recommends the use of a cork gasket with all of the valve covers we sell
Single Valve Spring Kit, 80lb. @1.510" PS3506122-16 Product:Default Title Siamese cylinder bores with extraSingle Valve Spring Kit, 80lb. @1. 510" PS3506122 16 3506122 16 Performance Springs valve springs and valve spring retainer products are manufactured to a strict quality standard to ensure that you get the best for your dollar. Performance Springs valve springs come to you already scragged to save you time (scragging is a process where the spring is compressed to solid before checking loads). Springs are scragged individually to ensure each spring is
US$ 128.00
US$ 103.00
US$ 108.00
US$ 140.00