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SLP Rocker Arm Package, LS1 LS6 LS2 Camaro Firebird Corvette GTO 4.8 5.3 6.0 Silverado Sierra SUV (1.85 ratio)
SLP-50185
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LS1/LS6/LS2 Camaro/Firebird/Corvette/GTO/4.8/5.3/6.0 Silverado/Sierra/SUV (1.85 ratio) SLP Rocker-Arm Package

Manufacturer: SLP Performance

Status: SHips in 1-4 Days

Model Detail: LS1/LS6/LS2

Application: Camaro/Firebird/Corvette/GTO/4.8/5.3/6.0 Silverado/Sierra/SUV

Rocker-Arm Package, LS1/LS6/LS2 Camaro/Firebird/Corvette/GTO/4.8/5.3/6.0 Silverado/Sierra/SUV (1.85 ratio)

SLP is proud to re-release our 1.85-ratio rocker arm package for GM Gen III engines which includes LS1, LS6, LS2 as well as 4.8, 5.3 and 6.0* (LQ4 OR LQ9) liter truck engines. Designed as a true bolt-on replacement, these new rockers require NO valve cover or cylinder head modifications (please reference our instructions for proper installation). Our exclusive design is based off of the stock rocker providing an OEM quality steel construction and a roller bearing trunion which results in a 10 percent increase in valve lift over the stock 1.7 ratio rocker arms and gains of up to 12 horsepower over stock. This package includes 16 rocker arms, detailed instructions and all required installation hardware.

This package includes:

1.85 Ratio Rocker Arms 16 qty (50185)

New bolts 16 qty

NOTE 1: When using an aftermarket camshaft, please contact SLP for proper compatibility.

NOTE 2: LS1, LS6 and LS2 engines may require SLP part # 53002 or part # 53003 springs, part # 53103 or part # 53104 retainers and part # 66345 keepers. Please reference chart below for proper application and part # 51185 or part # 51186 rocker arm package when purchasing the complete package.

SLP ROCKER-ARM COMPATIBILITY CHART (with stock camshafts)

YEAR	APPLICATION	ENGINE	Are SLP springs & retainers required?	SLP Suggested Spring P/N use w/1.85 rockers	Intake Valve Lift with SLP 1.85 rocker	Exhaust Valve Lift with SLP 1.85 rocker
2005-2007	C6 Corvette	LS2	Yes	53003	0.600	0.596
2002-2004	Z06 Corvette	LS6	Yes	53003	0.600	0.596
2001	Z06 Corvette	LS6	Yes	53003	0.569	0.568
2001-2004	Corvette	LS1	No	N/A	0.505	0.521
2000	Corvette	LS1	Yes	53002	0.544	0.544
1997-1999	Corvette	LS1	No	N/A	0.514	0.521

2001-2002	F-Body	LS1	No	N/A	0.505	0.521
1998-2000	F-Body	LS1	Yes	53002	0.544	0.544

2005-2006	GTO	LS2	Yes	53003	0.600	0.596
2004	GTO	LS1	No	N/A	0.505	0.521

2006	CTS V	LS2	Yes	53003	0.600	0.596
2004-2005	CTS V	LS6	Yes	53003	0.600	0.596

2005-2006	SSR Truck	LS2	Yes	53003	0.566	0.564
2006-2007	Trailblazer SS	LS2	Yes	53003	0.600	0.596
2001-2007	CK Truck	LQ4, LQ9	No	N/A	0.505	0.521
1999-07	CK Truck	LR4, LM7	No	N/A	0.497	0.507
1999-2000	CK Truck	LQ4	No	N/A	0.497	0.507
2003-2004	ST Truck	LM4	No	N/A	0.497	0.507
2002-2005	CK Truck	L59	No	N/A	0.497	0.507

RECOMMENDED PARTS
PARTS THAT CAN ENHANCE THE APPLICATION OF PART# 50185

PART NUM	DESCRIPTION	PRICE
53003	Valve Springs, LS1/LS6/LS2 High-Performance, 600 Lift (Set of 16)	$249.95
53002	Valve Springs, LS1 High-Performance .575 Lift (set of 16)	$187.95
53103	Retainers, Titanium Valve-Spring LS1/LS6/LS2 use w/ #53002 (set of 16)	$172.95
66345	Keepers, Valve LS1/LS6/LS2 (Set of 32)	$24.95

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