Precision Race Components Aftermarket LT1 CNC Cylinder Heads

Precision Race Components LT1 CNC 312cc ported cylinder heads. All new 6-bolt Precision Race Components LT cylinder heads!

MADE in the USA!! CAST in the USA!! MACHINED in the USA!!

Click Here to SEE why we build better heads!

2.165" Stainless Hollow stem Intake Valve / 1.600" Stainless Exhaust Valve
TSP .660 Spring Kit w/ PAC Valve Springs & Titanium Retainers
6-Bolt Cylinder Heads with Thicker Deck Surface
CHE Bronze Guides
Will Work on Both Standard GM 4-Bolt & Aftermarket LT 6-Bolt Style Engine Blocks
Completely Assembled in the USA

Extensive CNC and dyno testing has resulted in one of the most powerful LT-based cylinder heads available!

Cylinder Head Specs:
Intake CC: 312cc
Intake Valve: 2.165"
Exhaust Valve:1.600"
Chamber Size: 58cc

FLOW NUMBERS

Lift Intake Exhaust

.2 151 117

.3 223 154

.4 265 200

.5 310 216

.6 349 229

.65 365 232

.7 370 235