Manley 150# Valve Springs

Shipping Rate: Calculated at checkout

APPLICATIONS:

• 1995-2004 Bonneville with 3800 Series II engine
• 1996-2002 Camaro with 3800 Series II engine
• 1996-2002 Firebird with 3800 Series II engine
• 1997-2006 Grand Prix with 3800 Series II or Series III engine
• 2000-2006 Impala with 3800 Series II engine
• 1998-1999 Intrigue with 3800 Series II engine
• 1996-2003 LeSabre with 3800 Series II engine
• 1998-2000 Lumina with 3800 Series II engine
• 1998-2006 Monte Carlo with 3800 Series II engine
• 1995-1999 Oldsmobile 88 with 3800 Series II engine
• 1996-1996 Oldsmobile 98 with 3800 Series II engine
• 1995-2003 Park Avenue with 3800 Series II engine
• 1995-2003 Regal with 3800 Series II engine
• 1995-2006 other applications with 3800 Series II or Series III engine

Manley manufactures these beehive shape ovate wire valvesprings specifically for the LS1 engine however through extensive research we have found them to be a perfect match for the 3800 Series II and III engines for higher lift applications such as aftermarket camshafts. These high load springs can be used in high performance and racing applications up to .600" lifts. These valvesprings will fit stock L36, L26, L67, and L32 cylinder heads with no machining, and fit right into stock valvespring seats.

We recommend the 3800-VSS-150 for engines with extreme cams such as INTENSE™ Stage 4. We also recommend the use of stronger valvespring retainers with these valvesprings.

3800-VSS-150 Specifications:

• Installed load is 150 pounds at 1.800", 177 pounds at 1.720", and 355 pounds at 1.200".
• Coil bind height is 1.085".
• Outside diameter is 1.311"/1.076" and inside diameter is .885"/.650".
• Maximum lift supported @ 1.72" (stock retainer install height) - .600"
• Maximum lift supported @ 1.80" (CompCams LS1 retainer install height) - .600"

IMPORTANT NOTE:

Sold in sets of twelve.

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