WebProduct Description: All Precision Race Components (PRC) cylinder heads come fully CNC-ported and machined using state-of-the-art technology. PRC's stage LS3 and L92 Cylinder Heads come standard with the following options: NEW GM Cores. Your Choice Of Valves (Stock GM 106 Grams, Stainless Valve 122 Grams, Hollow-Stem Valve 91 Grams) WebNearly 520 lb-ft is available from 4,000 rpm with this intake, and it continues to ramp up on the way to 5,000 rpm, yielding peak numbers of 531.3 horsepower at 5,100 rpm and 555.8 pound-feet of torque at 4,800 rpm. “You’re looking for a cam that’s really dialed in for that mid-range torque.
Intake Manifolds & Throttle Bodies - Texas Speed
WebKatech LS3/LS7/L76/L99 CNC Ported 90mm Throttle... $ 479.99 FAST LSXHR 103mm Intake Manifold for LS3 Rectangular Port Free Shipping! $ 1,223.95 Genuine GM Parts LS7 … WebHolley LS Mid-Rise Carbureted Intake Manifolds 300-132 Intake Manifold, Carbureted, Aluminum, Natural, Square Bore Flange, Chevy, Small Block, LS, Fits LS1/LS2/LS6 Heads, Each Part Number: HLY-300-132 ( 17 ) Estimated … grassleaf.com
ls3 intake manifold porting - Camaro5 Chevy Camaro Forum / …
WebJan 13, 2024 · These heads use the stock LS3 intake port location and pattern, so using an OEM or Fel-Pro LS3 gasket is no problem. It’s a similar story on the exhaust side – the runners measure 102 cc and are compatible with OEM and Fel-Pro 1438 gaskets. The heads are designed with 280 cc intake runners and 68 cc combustion chambers and are paired … WebFeb 3, 2024 · This particular intake (300-256) sports a 4150 mounting flange for cathedral port heads but there’s a similar 4500 (300-295) mount version also available. But with ever-escalating LS horsepower levels, Holley raised the ante with a series of tall, race-inspired single planes that are split vertically down the center. WebThe ported LS3/L92 heads featured sizable intake port volumes of 279 cc; while not much of an issue on our 468ci stroker, that might be a tad large for a small-displacement LS. The power output of the 468 jumped from 692 hp at 6,500 rpm with stock L92 heads to 720 hp at 6,700 rpm with the CNC-ported versions. chja finals