01-10 GM 6.6L Duramax Wagler Street Girdle With Main Studs
$900.00
- Part Number: WCPC6658
- Est. Ship Time: Usually Ships By Next Business Day
SSL SECURE
TRANSACTION
AUTHENTIC
PRODUCTS
GUARANTEED PREMIUM
QUALITY
A+ Rating
More from this brand
The Wagler WCPC6658 Street Girdle adds strength to your 2001-2010 GM 6.6L Duramax engine. The WCP Street Girdle features a 1/2" thick, one-piece design. It increases strength in the bottom end of your Duramax block by tying the main caps to the oil pan bolts. Each kit includes ARP Main Studs, ARP Cross Bolts, and the additional oil pan and pickup tube hardware. Additional machining required for use with factory main caps.
- WCP Duramax Street is a 1/2 thick one-piece Girdle designed to provide additional support to the bottom end of the Duramax Block by tying the main caps to the oil pan bolts.
- Includes ARP Main Studs, Washers & Nuts. ARP Cross Bolts, Washers and Lube Packet. Oil pan and Pick up Tube Hardware. All fasteners excecpt cross bolts are 1/2 longer for proper fitment and ease of installation
- Made in USA
- Factory Main Caps require additional machining
Part Number: WCPC6658
SoCal Diesel LB7-LLY-LBZ-LMM Billet Main Girdle
The Duramax engine suffers from main cap movement at high power levels. Even with ARP main studs an..
$750.00
SoCal Diesel LML Billet Main Girdle kit.
The Duramax engine suffers from main cap movement at high power levels. Even with ARP main studs and cross..
$750.00
SoCal Diesel is a company known for providing high-performance diesel parts and accessories, particularly for trucks and heavy-duty vehicles. They foc..
$850.00
The Wagler Duramax Entry Level Rotating Assembly is the ideal package for a stock workhorse or a hot street truck making up to 1,000 HP. Even if the p..
$0.00
Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition & Race Performance XD316. The factory..
$378.95
DHD's TORQ series studs provide the perfect blend of quality and value that all Motorsports enthusiast's seek. These studs are designed to provide mar..
$449.00
Strengthen the bottom end in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6641 Billet Main Caps. Designed, and machined in-house at Wagler Compe..
$939.00
ATI Diesel Super Dampers2001-2005 GM 6.6L LB7 & LLY Duramax Diesel Super DamperPart number: 917371Do you have a high horsepower diesel truck? If so, A..
$493.83
Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax engine with the Wagler WCPC6643 Dual Valve Spring Kit With Steel Retainers. Designed to work ..
$0.00
Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6664 Pushrods. Built from 3/8" x .135 wall 4130 Chromoly, these push..
$400.00
Improve the valvetrain in your 2001-2016 GM 6.6L Duramax when you install the Wagler WCPC6618 Billet Rocker Arm Bridge Set. These rocker arm bridges f..
$450.00
The XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001-2019 GM 6.6L Duramax engines. From the factory..
$484.95
The Wagler WCPC6669 Pinned Oil Pump is an excellent upgrade for the oiling system when rebuilding the engine in your 2001-2010 GM 6.6L Duramax. Wagler..
$519.00
Todays level of competition, advancements in fuel delivery, and advancements in induction require more of your engine. Everyone is looking for the edg..
$175.00
Ditch the grit. Get rid the dirtiest oil left in the valley of your stock pan from all your previous oil changes.
The stock Duramax engine oil ..
$260.99
The Wagler WCPC6669 Pinned Oil Pump is an excellent upgrade for the oiling system when rebuilding the engine in your 2001-2010 GM 6.6L Duramax. Wagler..
$519.00
Strengthen the bottom end in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6641 Billet Main Caps. Designed, and machined in-house at Wagler Compe..
$939.00
Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax engine with the Wagler WCPC6643 Dual Valve Spring Kit With Steel Retainers. Designed to work ..
$0.00
Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6664 Pushrods. Built from 3/8" x .135 wall 4130 Chromoly, these push..
$400.00
The Wagler WCPC6686-1 Alternate Fire Street Stage 1 Camshaft provides your 2001-2016 GM 6.6L Duramax with increased driveability and increased perform..
$975.00
The Wagler WCPC6686-1 Street Stage 1 Camshaft provides your 2001-2016 GM 6.6L Duramax with increased driveability and increased performance. This cam ..
$640.00
The Wagler Duramax Entry Level Rotating Assembly is the ideal package for a stock workhorse or a hot street truck making up to 1,000 HP. Even if the p..
$0.00
The affordable Wagler Duramax Street Fighter connecting rods are the perfect solution for a hot street truck making 1,000 HP or less. The as-forged ma..
$2,210.00
The Wagler STREETFIGHTER Duramax offers neck-snapping torque, with impeccable street manners, and is the ideal upgrade for light-duty GM trucks and cl..
Starting From $950.00
Improve the valvetrain in your 2001-2016 GM 6.6L Duramax when you install the Wagler WCPC6618 Billet Rocker Arm Bridge Set. These rocker arm bridges f..
$450.00
Wagler Competition Duramax Mechanical Belt TensionerDoes away with the weak factory spring belt tensionerThese are a MUST when running dual CP3 pumps ..
$375.00
The Wagler CRF6.0 Connecting Rod Set is a must have for any enthusiast, racer, or shop that's building a 2003-2007 Ford 6.0L Powerstroke engine. Maxim..
$4,369.00
WCP Billet Valve Covers are designed and machined in house
Includes mounting bolts and O-Ring seal
Fits LLY, LBZ and LMM
Made in the USA
Optio..
$350.00
Wagler Competition Duramax Mechanical Belt TensionerDoes away with the weak factory spring belt tensionerThese are a MUST when running dual CP3 pumps ..
$359.00
Maximize strength and reliability in your 2008-2010 Ford 6.4L Powerstroke engine build with the Wagler CRF6.4 Connecting Rod Set. Proudly made in the ..
$4,369.00
Backordered with No ETA (Updated on 10/31/25)
Mahle piston w/ rings for the left bank of 06-10 Duramax. Mahle products are manufactured to OE specs..
$169.40
Mahle piston w/ rings for the right bank of 06-10 Duramax. Mahle products are manufactured to OE specs and feature compensated ring grooves. Expansion..
$169.23
Mahle piston w/ rings for the left bank of 06-10 Duramax. Mahle products are manufactured to OE specs and feature compensated ring grooves. Expansion ..
$166.51
Mahle piston w/ rings for the right bank of 06-10 Duramax. Mahle products are manufactured to OE specs and feature compensated ring grooves. Expansion..
$166.36
14mm Duramax Gorilla Girdle Kit (LB7,LLY,LBZ,LMM)
The ½" thick Gorilla Girdle is the strongest girdle on the market. It utilizes the XX..
$1,582.99
Options on Backorder 930036055, 930036075, 9300298895, 930029875 and 930029855 with No ETA (Updated on 10/13/25)
Performance Cast Pistons
De..
Starting From $2,074.61
Replace the piston rings inside your 2001-2010 GM 6.6L Duramax when you install the MAHLE S41909 Piston Ring Set (Standard). Made to meet st..
$76.81
SoCal Diesel LB7-LLY-LBZ-LMM Billet Main Girdle
The Duramax engine suffers from main cap movement at high power levels. Even with ARP main studs an..
$750.00
Fits: 2001-2013 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LMLThis Clevite MS-2218HX H-Series Main Bearing Set .001" Extra Oil Clearance when building your ..
$167.87
Strengthen the bottom end in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6641 Billet Main Caps. Designed, and machined in-house at Wagler Compe..
$939.00
The Wagler Duramax Entry Level Rotating Assembly is the ideal package for a stock workhorse or a hot street truck making up to 1,000 HP. Even if the p..
$0.00
The affordable Wagler Duramax Street Fighter connecting rods are the perfect solution for a hot street truck making 1,000 HP or less. The as-forged ma..
$2,210.00
Compstar Xtreme Connecting Rods (Full Set of 8)
Fits 2001-2016 6.6L Duramax
Conservatively rated at 1000HP
Part # CST6418MS0LCAX
The next ..
$1,200.00
Contact us to confirm availability if you are in a hurry.
This delipped Duramax piston set from DHD is an excellent alternative to OE replace..
$1,558.82
Contact us to confirm availability if you are in a hurry.
This delipped Duramax piston set from DHD is an excellent alternative to OE replace..
$1,558.82
