Chassis & Suspension
Availability
Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf...
Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and...
Welcome to the home of great handling and ride quality! We stock a huge assortment of car and truck chassis and suspension parts like shocks, struts, and coil and leaf springs, so whether you want a smooth street ride, responsive race handling, or rugged off-road control, you can find all the parts you need for your suspension upgrades here. We have complete lowering kits for a road-hugging sport stance, and lift kits to accommodate massive tires and greater suspension travel. Summit also has steering components, sway bars, frame rails and connectors, tie rods, wheelie bars, and wheel tubs, plus engine, transmission, and suspension mounts and bushings.
Showing In Stock Items. Show All 212 Items.
Crossmember, Transmission, Steel, Black, GM, 4L60E 700R4, 200-4R, TH350, Powerglide, Each
Part Number: SUM-770309
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
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Crossmember, Transmission, Steel, Black, GM, 700R4/4L60/4L60E, Each
Part Number: SUM-770312
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Transmission Crossmember, LS Swap, 4L60E/4L70E, Chevy S10, GMC S15, Kit
Part Number: TRD-9719
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Transmission Crossmember, LS Engine Swap, Steel, Black Powdercoated, T56, 4L60E, 4L70E, 4L75E, TH400, Chevy, GMC, RWD, Each
Part Number: HOK-71222019HKR
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Torque Arm Relocation Kit, Red Powdercoated, Steel, Chevy, Pontiac, 4L60E, Kit
Part Number: UPI-2261R
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Crossmember, Transmission, Steel, Black, GM, 700R4/4L60/4L60E, Each
Part Number: SUM-770315
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Transmission crossmember, GM LS/LT Swap, 4L60E, TH350, 6L80, 700R4, Chevrolet, GMC, Each
Part Number: HOK-71222024HKR2
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Crossmember, Transmission, Steel, Black, GM, 700R4/4L60/4L60E, Each
Part Number: SUM-770318
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Transmission Crossmember, Steel, Chevy, B-Body, 700R4, 4L60E, Each
Part Number: SUM-770372
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Transmission Mounts, Solid, Billet Aluminum, Natural, RWD, GM, TH350, TH400, Saginaw, Powerglide, Muncie Four Speed, 4L60E, 4L60/700R4, Each
Part Number: ICB-551404
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Motor Mounts, Engine Swap, Complete, Bolt-In, Steel/Rubber, Black/Black, LS1, 4L60E, 4L70E, Kit
Part Number: TRD-4600
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Torque Arm Relocation Kit, Red Powdercoated, Steel, Chevy, Pontiac, 4L60E, Kit
Part Number: UPI-2208-R
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Engine Swap Kit, Headers, Motor Mounts, Oil Pan, Pickup, Gaskets, Hardware, Chevy, LS, 4L60E, 4L70E, Kit
Part Number: TRD-42163
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Brackets, Crossmember Extension Brackets, Steel, Black, 4L70E, 4L60E, Chevy, Pontiac, Each
Part Number: HOK-71223003HKR
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Transmission Crossmember Extension Bracket, Bolt-on, Steel, Black, Buick, Chevy, Pontiac, LS, 4L60, 4L60E
Part Number: HOK-12655HKR
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Transmission Crossmember, Steel, Black, Chevy, 4L60E, 700R4, T-56, Kit
Part Number: TRD-6548
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Crossmember, Transmission, Lightweight, Steel, GM, 78-88 G-Body, Using 700R4, 4L60E, or T5 manual, Each
Part Number: SUM-770391
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Engine Swap Kit, Silver Ceramic Coated Headers, Motor Mounts, Oil Pan, Pickup, Gaskets, Hardware, Chevy, LS, 4L60E, 4L70E, Kit
Part Number: TRD-42164
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Transmission Crossmember, Steel, Black, 3 in. Drop, 26 in. to 36 in. Width, Chevy, 4L60E, 700R4, T-56, Kit
Part Number: TRD-6549
Not Yet Reviewed
Estimated Ship Date: Monday 9/29/2025
Estimated Ship Date: Monday 9/29/2025
Torque Arm Relocation Kit, Black Powdercoated, Steel, Chevy, Pontiac, 4L60E, Kit
Part Number: UPI-2208-B
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
Red Polyurethane GM LS Swap Transmission Mount Kit For 4.8 5.3 6.0 4l60e 4l80e
Part Number: HLI-790394
Not Yet Reviewed
Estimated Ship Date: Oct 10, 2025 if ordered today
Estimated Ship Date: Oct 10, 2025 if ordered today
Torque Arm Crossmember, Tunnel Mounted, Steel, Black, 4L60E Transmission, Chevy, Pontiac, Each
Part Number: QA1-52125
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
CROSS MEMBER, MIDDLE, 94-98 MUSTANG, T-56, 4L60E Swap, Each
Part Number: QA1-52111
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
Transmission Crossmember, Steel, Black, 6 in. Drop, 26 in. to 36 in. Width, Chevy, 4L60E, 700R4, T-56, Kit
Part Number: TRD-6534
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Torque Arm Relocation Kit, Red Powdercoated, Steel, Chevy, Pontiac, 4L60E, Kit
Part Number: UPI-2210-R
Not Yet Reviewed
Estimated Ship Date: Nov 25, 2025 if ordered today
Estimated Ship Date: Nov 25, 2025 if ordered today
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Summit Racing™ Dual-Exhaust Transmission Crossmembers SUM-770312
