WebNov 17, 2012 · The vortecs are better in stock form, but the L98 alum head 113's respond well to porting in the right hands. Thing is those hands will probably cost you as much as a set of good aftermarket heads, and those heads will hold their value much better than a set of ported factory castings. Aaron Premium Member Joined Oct 10, 1998 11,083 Posts WebMar 1, 2024 · Sending in my LT4 Cylinder Heads for Porting Service $ 0.00 each GM Performance - OEM Gen 5 LT1 Cylinder Head (Brand New) $ 700.00 $ 665.00 each GM …
Airflow Research, CNC Ported Alum. Chev SB (L98) Angled Plug …
WebJan 21, 2024 · RPO L99 and LS3 cylinder heads are aluminum with 68cc combustion chambers, rectangle intake ports with 257cc runners, D-port exhaust with 87cc runners, … WebFeb 4, 2012 · Also agreed, performance heads with ~180cc intake runners, 64cc chambers (to match the stock L98 cast iron heads so you don't lose compression) and keep the cam modest- in the 210-215* range @ .050 on a nice, wide 112-114* LSA. ... but they do flow really well and they are available with both intake bolt patterns and a functional exhaust ... fishing pontoon boats bass pro shop
Boos Performance C4 L98 Head and Cam Package
WebNov 12, 2024 · When we first looked at this head, it was easy to see how Ford completely separates the two intake ports. No sport compact head does this so far out into the port. … WebAFR, CNC Ported Alum. Chev SB Street Head, 195cc/65cc, Assm.BR 195cc/65cc (L98) Angle Plug, Assembled, PairBR Emissions legal heads featuring CNC ported intake runners, 100% CNC ported 64cc exhaust runners. 100% CNC ported combustion chambers and 3/4 thick decks (great for supercharger and nitrous applications). Fully assembled with 2.02/1.60 … WebAdd power to your TPI engine with the SD3816 Vortec TPI base intake manifold for L98 and LB9 with Vortec heads. 1-800-456-0211. Buy with monthly payments Get a real-time ... equipped with factory Tuned Port Fuel-Injection and the cylinder heads have been replaced with the new style raised-port improved flowing Vortec heads from Chevrolet ... fishing pontoon boats