Competition Use Only, Not Legal for Road Use

Precision Race ComponentsLT1 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 Hereto 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

.2151117

.3223154

.4265200

.5310216

.6349229

.65365232

.7370235