Shop Best Spring Engine Mods

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$249.99
$276.09
Trick Flow TFS-2500500 Mustang Cylinder Head Valve Spring Upgrade Stock Kit 4.6L/ 5.4L 2V 1999
CJ Pony Parts
Free shipping
$249.99
$276.09
Trick Flow TFS-2500500 Mustang Cylinder Head Valve Spring Upgrade Stock Kit 4.6L/ 5.4L 2V 1999
CJ Pony Parts
Free shipping
$159.99
Trick Flow Valve Spring Upgrade Kit For Ford 289-351W Factory Cast Iron Cylinder Heads, Steel Retainers, 358Lbs Spring
Tre Performance Store
Free shipping
$159.99
Trick Flow Valve Spring Upgrade Kit For Ford 289-351W Factory Cast Iron Cylinder Heads, Steel Retainers, 358Lbs Spring
Tre Performance Store
Free shipping
$209.99
Trick Flow Trackmax Performance Valve Spring Upgrade Kit, Chromoly Retainers, 375Lbs Spring
Tre Performance Store
Free shipping
$209.99
Trick Flow Trackmax Performance Valve Spring Upgrade Kit, Chromoly Retainers, 375Lbs Spring
Tre Performance Store
Free shipping
$369.99
BTR Gen V Platinum LT4 .660" Dual Spring Kit With Titanium Retainers For Gen V LT4 Corvette Camaro CTS-V Brian Tooley
Michigan Motorsports
$369.99
BTR Gen V Platinum LT4 .660" Dual Spring Kit With Titanium Retainers For Gen V LT4 Corvette Camaro CTS-V Brian Tooley
Michigan Motorsports
$209.99
Trick Flow Track Max Performance Valve Spring Upgrade Kit K16839
eBay
Free shipping
$209.99
Trick Flow Track Max Performance Valve Spring Upgrade Kit K16839
eBay
Free shipping
$369.99
$469.99
BTR Gen V LT1 Dual Platinum Valve Spring Kit W/ Titanium Retainers - .660 Lift
Tre Performance Store
Free shipping
21% off
$369.99
$469.99
BTR Gen V LT1 Dual Platinum Valve Spring Kit W/ Titanium Retainers - .660 Lift
Tre Performance Store
Free shipping
$369.99
BTR .660" Dual Spring Kit With Titanium Retainers Gen 3/4 LS 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA Brian Tooley
Michigan Motorsports
$369.99
BTR .660" Dual Spring Kit With Titanium Retainers Gen 3/4 LS 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA Brian Tooley
Michigan Motorsports
$369.99
BTR .660"" Lift Platinum Spring Kit W/ Titanium Retainers Gen V LT1 L83 L86 6.2L
eBay
Free shipping
$369.99
BTR .660"" Lift Platinum Spring Kit W/ Titanium Retainers Gen V LT1 L83 L86 6.2L
eBay
Free shipping
$240.06
Howards 98113-K1, Kit 1.280 Valve Spring Kit Beehive Performance Racing Parts
eBay
Free shipping
$240.06
Howards 98113-K1, Kit 1.280 Valve Spring Kit Beehive Performance Racing Parts
eBay
Free shipping
$500.77
Brian Tooley Racing SK017, GEN 3 Hemi VVT Lift Spring .650in 09-Up Performance
eBay
Free shipping
$500.77
Brian Tooley Racing SK017, GEN 3 Hemi VVT Lift Spring .650in 09-Up Performance
eBay
Free shipping
$549.99
BTR Brian Tooley .650" Ultimate RPM Dual Spring Kit For LS 4.8 5.3 5.7 6.0 6.2 LS1 LS3 LM7 LQ9 LQ4
Michigan Motorsports
$549.99
BTR Brian Tooley .650" Ultimate RPM Dual Spring Kit For LS 4.8 5.3 5.7 6.0 6.2 LS1 LS3 LM7 LQ9 LQ4
Michigan Motorsports
$57.97
1957-1960 Ford Custom 300 Engine Valve Spring Kit Pioneer Cables 57-60 Ford Engine Valve Spring Kit
Parts Geek
$57.97
1957-1960 Ford Custom 300 Engine Valve Spring Kit Pioneer Cables 57-60 Ford Engine Valve Spring Kit
Parts Geek
$211.54
$247.95
Kibblewhite Precision Titanium Racing Spring Kit - 0.600in. Lift
eBay
14% off
$211.54
$247.95
Kibblewhite Precision Titanium Racing Spring Kit - 0.600in. Lift
eBay
$249.99
Trick Flow Track Max Performance Valve Spring Upgrade Kit TFS-K16306
eBay
Free shipping
$249.99
Trick Flow Track Max Performance Valve Spring Upgrade Kit TFS-K16306
eBay
Free shipping
$369.99
BTR .660"" Dual Valve Spring Kit Steel Ret. For Gen V LT - L83/L86/LT1
eBay
Free shipping
$369.99
BTR .660"" Dual Valve Spring Kit Steel Ret. For Gen V LT - L83/L86/LT1
eBay
Free shipping
$389.99
$489.99
BTR Gen III HEMI Conical Valve Spring Kit - .650 Lift
Tre Performance Store
Free shipping
20% off
$389.99
$489.99
BTR Gen III HEMI Conical Valve Spring Kit - .650 Lift
Tre Performance Store
Free shipping
$184.95
Kibblewhite Titanium Intake Spring Kit - .450"" Lift - - 80-81100
eBay
Free shipping
$184.95
Kibblewhite Titanium Intake Spring Kit - .450"" Lift - - 80-81100
eBay
Free shipping
$269.99
$369.99
BTR Gen III 6.2L/6.4L HEMI Beehive Valve Spring Kit - .650 Lift
Tre Performance Store
Free shipping
27% off
$269.99
$369.99
BTR Gen III 6.2L/6.4L HEMI Beehive Valve Spring Kit - .650 Lift
Tre Performance Store
Free shipping
$99.99
Chevy SB 283 327 350 400 HP Set Z28 Valve Springs & Retainers & Steel Locks Kit
eBay
Free shipping
$99.99
Chevy SB 283 327 350 400 HP Set Z28 Valve Springs & Retainers & Steel Locks Kit
eBay
Free shipping
Best engine mods reviewed rated and installation guides
Best engine mods reviewed rated and installation guides
Jan 1, 2009
torquecars.com
Valve Spring Dynamics and Failure
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Valve Spring Dynamics and Failure
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Shop Best Spring Engine Mods

Sponsored
About our ads
$249.99
$276.09
Trick Flow TFS-2500500 Mustang Cylinder Head Valve Spring Upgrade Stock Kit 4.6L/ 5.4L 2V 1999
CJ Pony Parts
Free shipping
$249.99
$276.09
Trick Flow TFS-2500500 Mustang Cylinder Head Valve Spring Upgrade Stock Kit 4.6L/ 5.4L 2V 1999
CJ Pony Parts
Free shipping
$159.99
Trick Flow Valve Spring Upgrade Kit For Ford 289-351W Factory Cast Iron Cylinder Heads, Steel Retainers, 358Lbs Spring
Tre Performance Store
Free shipping
$159.99
Trick Flow Valve Spring Upgrade Kit For Ford 289-351W Factory Cast Iron Cylinder Heads, Steel Retainers, 358Lbs Spring
Tre Performance Store
Free shipping
$209.99
Trick Flow Trackmax Performance Valve Spring Upgrade Kit, Chromoly Retainers, 375Lbs Spring
Tre Performance Store
Free shipping
$209.99
Trick Flow Trackmax Performance Valve Spring Upgrade Kit, Chromoly Retainers, 375Lbs Spring
Tre Performance Store
Free shipping
$369.99
BTR Gen V Platinum LT4 .660" Dual Spring Kit With Titanium Retainers For Gen V LT4 Corvette Camaro CTS-V Brian Tooley
Michigan Motorsports
$369.99
BTR Gen V Platinum LT4 .660" Dual Spring Kit With Titanium Retainers For Gen V LT4 Corvette Camaro CTS-V Brian Tooley
Michigan Motorsports
$209.99
Trick Flow Track Max Performance Valve Spring Upgrade Kit K16839
eBay
Free shipping
$209.99
Trick Flow Track Max Performance Valve Spring Upgrade Kit K16839
eBay
Free shipping
$369.99
$469.99
BTR Gen V LT1 Dual Platinum Valve Spring Kit W/ Titanium Retainers - .660 Lift
Tre Performance Store
Free shipping
21% off
$369.99
$469.99
BTR Gen V LT1 Dual Platinum Valve Spring Kit W/ Titanium Retainers - .660 Lift
Tre Performance Store
Free shipping
$369.99
BTR .660" Dual Spring Kit With Titanium Retainers Gen 3/4 LS 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA Brian Tooley
Michigan Motorsports
$369.99
BTR .660" Dual Spring Kit With Titanium Retainers Gen 3/4 LS 4.8 5.3 5.7 6.0 6.2 LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA Brian Tooley
Michigan Motorsports
$369.99
BTR .660"" Lift Platinum Spring Kit W/ Titanium Retainers Gen V LT1 L83 L86 6.2L
eBay
Free shipping
$369.99
BTR .660"" Lift Platinum Spring Kit W/ Titanium Retainers Gen V LT1 L83 L86 6.2L
eBay
Free shipping
$240.06
Howards 98113-K1, Kit 1.280 Valve Spring Kit Beehive Performance Racing Parts
eBay
Free shipping
$240.06
Howards 98113-K1, Kit 1.280 Valve Spring Kit Beehive Performance Racing Parts
eBay
Free shipping
$500.77
Brian Tooley Racing SK017, GEN 3 Hemi VVT Lift Spring .650in 09-Up Performance
eBay
Free shipping
$500.77
Brian Tooley Racing SK017, GEN 3 Hemi VVT Lift Spring .650in 09-Up Performance
eBay
Free shipping
$549.99
BTR Brian Tooley .650" Ultimate RPM Dual Spring Kit For LS 4.8 5.3 5.7 6.0 6.2 LS1 LS3 LM7 LQ9 LQ4
Michigan Motorsports
$549.99
BTR Brian Tooley .650" Ultimate RPM Dual Spring Kit For LS 4.8 5.3 5.7 6.0 6.2 LS1 LS3 LM7 LQ9 LQ4
Michigan Motorsports
$57.97
1957-1960 Ford Custom 300 Engine Valve Spring Kit Pioneer Cables 57-60 Ford Engine Valve Spring Kit
Parts Geek
$57.97
1957-1960 Ford Custom 300 Engine Valve Spring Kit Pioneer Cables 57-60 Ford Engine Valve Spring Kit
Parts Geek
$211.54
$247.95
Kibblewhite Precision Titanium Racing Spring Kit - 0.600in. Lift
eBay
14% off
$211.54
$247.95
Kibblewhite Precision Titanium Racing Spring Kit - 0.600in. Lift
eBay
$249.99
Trick Flow Track Max Performance Valve Spring Upgrade Kit TFS-K16306
eBay
Free shipping
$249.99
Trick Flow Track Max Performance Valve Spring Upgrade Kit TFS-K16306
eBay
Free shipping
$369.99
BTR .660"" Dual Valve Spring Kit Steel Ret. For Gen V LT - L83/L86/LT1
eBay
Free shipping
$369.99
BTR .660"" Dual Valve Spring Kit Steel Ret. For Gen V LT - L83/L86/LT1
eBay
Free shipping
$389.99
$489.99
BTR Gen III HEMI Conical Valve Spring Kit - .650 Lift
Tre Performance Store
Free shipping
20% off
$389.99
$489.99
BTR Gen III HEMI Conical Valve Spring Kit - .650 Lift
Tre Performance Store
Free shipping
$184.95
Kibblewhite Titanium Intake Spring Kit - .450"" Lift - - 80-81100
eBay
Free shipping
$184.95
Kibblewhite Titanium Intake Spring Kit - .450"" Lift - - 80-81100
eBay
Free shipping
$269.99
$369.99
BTR Gen III 6.2L/6.4L HEMI Beehive Valve Spring Kit - .650 Lift
Tre Performance Store
Free shipping
27% off
$269.99
$369.99
BTR Gen III 6.2L/6.4L HEMI Beehive Valve Spring Kit - .650 Lift
Tre Performance Store
Free shipping