Guys we've put together complete special pricing on the Precision Race Components 5.3L cylinder heads! This pricing will be available this month only!!! You can get them setup in the following stages:

Stg. 1.5 5.3L Heads
Manley Intake Valves (2.02 or 2.04)
Stock 1.55 Truck Exhaust Valves
PRC Double Spring Kit
Complete Fully Assembled & Ready To Bolt On
(Retail For $1429 Normally!)

--NOW $1,300 OUTRIGHT--

Stg. 2 5.3L Heads
Manley Intake Valves (2.02)
Manley 1.575 Exhaust Valves
PRC Double Spring Kit
Complete Fully Assembled & Ready To Bolt On
(Retail For $1529 Normally!)

--NOW $1,400 OUTRIGHT--

Stg 2.5 5.3l Heads
Manley Intake Valves (2.04)
Stock 1.575 Manley Exhaust Valves
PRC Double Spring Kit
Complete Fully Assembled & Ready To Bolt On
(Retail For $1529 Normally!)

--NOW $1,400 OUTRIGHT--

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Here's some info on them:
First The Chambers:
62cc Chambers CNC'd to 3.900" Bore

Valve Options:
2.02" or 2.04" Intake Valves
1.575" Manley Exhaust Valves (2 or 2.5 heads) or 1.55" Truck Exhaust Valves For 1.5 Heads

This Pic Gives You A Look At Both The 1.5 & 2.5 Chambers With Valves:



Intake Port: Runner Size 218cc



Exhaust Port: Runner Size 80cc



Spring Options:

1. Standard Gold Spring Kit @ 1.800" 135 lb. Seat/380 lb. Open

2. Platinum Spring Kit @ 1.7850" 145 lb. Seat/395 lb. Open

(Platinum Springs Shown Below In Picture)



We designed a new retainer to give us added seat and open pressures so customers can run larger camshafts, more boost, or more aggressive lobes without risking valve float.

The castings are brand new GM heads that we receive fully-assembled and tear down prior to CNC porting.



CNC Machine Specs: 2001 Haas HS1-5AXT
-complete 5-axis machining







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Feel free to give us a call with any questions or concerns!

Trevor
Texas Speed & Performance