GRAND ROCK

Deoxidizer, 12 Ounce

GRAND ROCK

Deoxidizer, 12 Ounce

Item: CM2ZFA

Model: 12OZ-DEOX

£15.26/unit

RFQ

Shield, 10 Inch x 60 Inch, Round Hole Kit, Stainless Steel

GRAND ROCK

Shield, 10 Inch x 60 Inch, Round Hole Kit, Stainless Steel

Item: CM2ZHM

Model: AHS-1060RS

£391.40/unit

RFQ

Patch ID Adapter, 3.5 Inch Inner Dia.

GRAND ROCK

Patch ID Adapter, 3.5 Inch Inner Dia.

Item: CM2ZJM

Model: ARP-O35

£68.04/unit

RFQ

Patch ID Adapter, 5 Inch Inner Dia.

GRAND ROCK

Patch ID Adapter, 5 Inch Inner Dia.

Item: CM2ZJR

Model: ARP-O5

£67.56/unit

RFQ

Clamp, 4 Inch Size

GRAND ROCK

Clamp, 4 Inch Size

Item: CM2ZJZ

Model: AS-4A

£7.37/unit

RFQ

Clamp, 8 Inch Size, Air T-Bolt, Stainless Steel

GRAND ROCK

Clamp, 8 Inch Size, Air T-Bolt, Stainless Steel

Item: CM2ZKQ

Model: AT-8SS

£12.43/unit

RFQ

Pipe, 5 x 4 Inch, 304SS

GRAND ROCK

Pipe, 5 x 4 Inch, 304SS

Item: CM2ZLV

Model: BT-5EXSS

£48.72/unit

RFQ

Chrome Muffler, 6 x 51 Inch, 6 InchInner Outer Dia., Chrome

GRAND ROCK

Chrome Muffler, 6 x 51 Inch, 6 InchInner Outer Dia., Chrome

Item: CM2ZMH

Model: CM-66C

£479.00/unit

RFQ

Coupler, 5 x 8 Inch Inner Outer Dia.

GRAND ROCK

Coupler, 5 x 8 Inch Inner Outer Dia.

Item: CM2ZMZ

Model: CP-58A

£19.91/unit

RFQ

Exhaust Single Stack Kit, 6 Inch Size, 5.9 L

GRAND ROCK

Exhaust Single Stack Kit, 6 Inch Size, 5.9 L

Item: CM2ZPL

Model: DC-600-S7SK

£888.68/unit

RFQ

Exhaust Stack Kit, 7 Inch Size

GRAND ROCK

Exhaust Stack Kit, 7 Inch Size

Item: CM2ZPR

Model: DC-9402-7SK

£1,031.11/unit

RFQ

Y Pipe, 4 Inch Size

GRAND ROCK

Y Pipe, 4 Inch Size

Item: CM2ZQF

Model: DPU-4YA

£316.97/unit

RFQ

Universal Muffler, 11 x 36 Inch Size, 5 Inch Outer Dia.

GRAND ROCK

Universal Muffler, 11 x 36 Inch Size, 5 Inch Outer Dia.

Item: CM2ZRR

Model: ESM-536OD-11

£264.69/unit

RFQ

Seal Clamp, 6 Inch Size, Stainless Steel, 10 Pcs/box

GRAND ROCK

Seal Clamp, 6 Inch Size, Stainless Steel, 10 Pcs/box

Item: CM2ZTC

Model: EZ-6SS

£14.82/unit

RFQ

Clamp Saddle, 5 Inch Size, Zinc, Bulk 25 Pieces

GRAND ROCK

Clamp Saddle, 5 Inch Size, Zinc, Bulk 25 Pieces

Item: CM2ZTT

Model: FB-5ZNBK

£184.28/unit

RFQ

Flex Pipe Kit, 4 x 18 Inch Size, Stainless Steel

GRAND ROCK

Flex Pipe Kit, 4 x 18 Inch Size, Stainless Steel

Item: CM2ZUE

Model: FK-418

£85.21/unit

RFQ

Y Pipe, 5 Inch Size, 4 Bend Outer Dia.

GRAND ROCK

Y Pipe, 5 Inch Size, 4 Bend Outer Dia.

Item: CM2ZVA

Model: FL-12399-0

£171.84/unit

RFQ

Pipe, 5 Inch Size, 2-Bend Inner Outer Dia., Aluminized

GRAND ROCK

Pipe, 5 Inch Size, 2-Bend Inner Outer Dia., Aluminized

Item: CM2ZVP

Model: FL-15780-000

£142.15/unit

RFQ

Flare, 5 Inch Size, 2-Bend Outer Dia., Aluminized

GRAND ROCK

Flare, 5 Inch Size, 2-Bend Outer Dia., Aluminized

Item: CM2ZVY

Model: FL-17094-013

£141.39/unit

RFQ

Clamp, 5 Inch Size, Stainless Steel, 10 Per Carton

GRAND ROCK

Clamp, 5 Inch Size, Stainless Steel, 10 Per Carton

Item: CM2ZXR

Model: FL-5SS

£9.67/unit

RFQ

Flat Clamp, 8 Inch Size, StainleSS

GRAND ROCK

Flat Clamp, 8 Inch Size, StainleSS

Item: CM2ZXX

Model: FL-8SS

£15.75/unit

RFQ

Flex Hose, 2.5 x 300 Inch Size, Galvanised

GRAND ROCK

Flex Hose, 2.5 x 300 Inch Size, Galvanised

Item: CM2ZYK

Model: G15-25300

£152.65/unit

RFQ

Flex Hose, 3 x 24 Inch Size, Galvanised

GRAND ROCK

Flex Hose, 3 x 24 Inch Size, Galvanised

Item: CM2ZYN

Model: G15-324

£21.55/unit

RFQ

Flex Hose, 3.5 x 24 Inch Size, Galvanised

GRAND ROCK

Flex Hose, 3.5 x 24 Inch Size, Galvanised

Item: CM2ZYV

Model: G15-3524

£21.14/unit

RFQ

Flex Hose, 4 x 300 Inch Size, Galvanised

GRAND ROCK

Flex Hose, 4 x 300 Inch Size, Galvanised

Item: CM2ZZD

Model: G15-4300

£210.42/unit

RFQ

Wide Clamp, 4 Inch Size Diameter, 1.25 Inch Size, Stainless Steel, Polished

GRAND ROCK

Wide Clamp, 4 Inch Size Diameter, 1.25 Inch Size, Stainless Steel, Polished

Item: CM3AAN

Model: GRE-4SSP

£13.16/unit

RFQ

Diverter Box, 4 Inch Size, Stainless Steel, 2 Position

GRAND ROCK

Diverter Box, 4 Inch Size, Stainless Steel, 2 Position

Item: CM3ABA

Model: HB-4SS

£466.38/unit

RFQ

Diverter Box, 5 Inch Size, 2 Position

GRAND ROCK

Diverter Box, 5 Inch Size, 2 Position

Item: CM3ABB

Model: HB-5

£274.79/unit

RFQ

Cac Hose, 3.5 Inch Inner Dia. x 3.71 Outer Dia., 6 Inch Long

GRAND ROCK

Cac Hose, 3.5 Inch Inner Dia. x 3.71 Outer Dia., 6 Inch Long

Item: CM3ABP

Model: HCAC-20072

£63.54/unit

RFQ

Strap, Rubber Chevrolet

GRAND ROCK

Strap, Rubber Chevrolet

Item: CM3ADE

Model: H-IHP1

£15.55/unit

RFQ

Flat, 5 Inch Size 2-Bend, Outer Dia., Aluminized

GRAND ROCK

Flat, 5 Inch Size 2-Bend, Outer Dia., Aluminized

Item: CM3ADY

Model: IH-1803C1

£199.78/unit

RFQ

Elbow, 3.5 Inch Size, Double Bend Outer Dia., Aluminized

GRAND ROCK

Elbow, 3.5 Inch Size, Double Bend Outer Dia., Aluminized

Item: CM3AEJ

Model: IH-4535C2

£68.62/unit

RFQ

Stack Exhaust, Curved, 3 Inch Inner Dia. x 18 Inch Size, Aluminized

GRAND ROCK

Stack Exhaust, Curved, 3 Inch Inner Dia. x 18 Inch Size, Aluminized

Item: CM3AFJ

Model: K3-18EXA

£35.15/unit

RFQ

Stack Exhaust, Curved, 3.5 Inch Outer Dia. x 36 Inch Size, Chrome

GRAND ROCK

Stack Exhaust, Curved, 3.5 Inch Outer Dia. x 36 Inch Size, Chrome

Item: CM3AFV

Model: K35-36SBC

£123.11/unit

RFQ

Stack Exhaust, Curved, 4 Inch Outer Dia. x 24 Inch Size, Aluminized

GRAND ROCK

Stack Exhaust, Curved, 4 Inch Outer Dia. x 24 Inch Size, Aluminized

Item: CM3AGH

Model: K4-24SBA

£38.86/unit

RFQ

Stack Exhaust, Curved, 5 Inch Inner Dia. x 12 Inch Size, Chrome

GRAND ROCK

Stack Exhaust, Curved, 5 Inch Inner Dia. x 12 Inch Size, Chrome

Item: CM3AHH

Model: K5-12EXC

£98.13/unit

RFQ

Stack Exhaust, Curved Top, 5 Inch Outer Dia. x 18 Inch Size, Alumz

GRAND ROCK

Stack Exhaust, Curved Top, 5 Inch Outer Dia. x 18 Inch Size, Alumz

Item: CM3AHN

Model: K5-18SBA

£44.66/unit

RFQ

Stack Exhaust, Curved, 5 Inch Outer Dia. x 24 Inch Size, Chrome

GRAND ROCK

Stack Exhaust, Curved, 5 Inch Outer Dia. x 24 Inch Size, Chrome

Item: CM3AHU

Model: K5-24SBC

£116.49/unit

RFQ

Stack Exhaust, Curved, 5 Inch Inner Dia. x 48 Inch Size, Aluminized

GRAND ROCK

Stack Exhaust, Curved, 5 Inch Inner Dia. x 48 Inch Size, Aluminized

Item: CM3AJA

Model: K5-48EXA

£95.61/unit

RFQ

Stack Exhaust, Curved, 5 Inch Outer Dia. x 48 Inch Size, Aluminized

GRAND ROCK

Stack Exhaust, Curved, 5 Inch Outer Dia. x 48 Inch Size, Aluminized

Item: CM3AJC

Model: K5-48SBA

£90.60/unit

RFQ

Stack Exhaust, Curved, 5 Inch Outer Dia. x 96 Inch Size,Chrome

GRAND ROCK

Stack Exhaust, Curved, 5 Inch Outer Dia. x 96 Inch Size,Chrome

Item: CM3AJX

Model: K5-96SBC

£456.59/unit

RFQ

Pipe, 5 Inch Size 2-Bend Outer Dia., Aluminized

GRAND ROCK

Pipe, 5 Inch Size 2-Bend Outer Dia., Aluminized

Item: CM3ALK

Model: KW-14122

£69.73/unit

RFQ

Elbow, 5 Inch Size, 90 Deg., Outer Inner Dia., Aluminized

GRAND ROCK

Elbow, 5 Inch Size, 90 Deg., Outer Inner Dia., Aluminized

Item: CM3AMA

Model: KW-17876

£55.45/unit

RFQ

Y Pipe, 5 Inch Size, 2-Bend Outer Dia., Aluminized

GRAND ROCK

Y Pipe, 5 Inch Size, 2-Bend Outer Dia., Aluminized

Item: CM3AMD

Model: KW-18028

£171.15/unit

RFQ

Pipe, 5 Inch Size, 2-Bend Inner Outer Dia., Right, Chrome

GRAND ROCK

Pipe, 5 Inch Size, 2-Bend Inner Outer Dia., Right, Chrome

Item: CM3AML

Model: KW-18615RC

£291.88/unit

RFQ

Elbow, 3.5 Inch Size, 15 Deg., 04 x 04 Inner Outer Dia., Aluminized

GRAND ROCK

Elbow, 3.5 Inch Size, 15 Deg., 04 x 04 Inner Outer Dia., Aluminized

Item: CM3APN

Model: L3515-0404A

£36.60/unit

RFQ

Elbow, 3.5 Inch Size, 90 Deg., 12 x 12 Inner Outer Dia.,Aluminized

GRAND ROCK

Elbow, 3.5 Inch Size, 90 Deg., 12 x 12 Inner Outer Dia.,Aluminized

Item: CM3APY

Model: L3590-1212A

£36.60/unit

RFQ

Elbow, 4 Inch Size, 90 Deg., 10 x 10 Inner Outer Dia.,Aluminized

GRAND ROCK

Elbow, 4 Inch Size, 90 Deg., 10 x 10 Inner Outer Dia.,Aluminized

Item: CM3ARP

Model: L490-1010A

£37.34/unit

RFQ

Elbow, 4 Inch Size, 90 Deg., 12 x 12 Outer Dia., Chrome

GRAND ROCK

Elbow, 4 Inch Size, 90 Deg., 12 x 12 Outer Dia., Chrome

Item: CM3ARZ

Model: L490-1212SC

£139.43/unit

RFQ

Elbow, 4 Inch Size, 90 Deg., 18 x 29 Inner Outer Dia.,Aluminized

GRAND ROCK

Elbow, 4 Inch Size, 90 Deg., 18 x 29 Inner Outer Dia.,Aluminized

Item: CM3ATK

Model: L490-1829A

£40.23/unit

RFQ

Elbow, 5 Inch Size, 15 Deg., 04 x 04 Inner Outer Dia., Aluminized

GRAND ROCK

Elbow, 5 Inch Size, 15 Deg., 04 x 04 Inner Outer Dia., Aluminized

Item: CM3ATN

Model: L515-0404A

£43.96/unit

RFQ

Elbow, 5 Inch Size, 30 Deg., 04 x 04 Inner Outer Dia., Aluminized

GRAND ROCK

Elbow, 5 Inch Size, 30 Deg., 04 x 04 Inner Outer Dia., Aluminized

Item: CM3ATQ

Model: L530-0404A

£43.96/unit

RFQ

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About the Grand Rock

Since 1974, Grand Rock has been manufacturing quality exhaust systems to maximise the performance of trucks. Headquartered in Painesville, Ohio, USA, the brand benefits the automotive industry. The brand's catalogue includes bellow pipes, mufflers, air intake pipes and OE aftermarket exhaust systems. Grand Rock offers chrome and aluminised exhausts in curved, miter, bullhorn, straight, aussie, west coast curve and brute variants. The brand's OE aftermarket exhausts are used by renowned companies like Ford, Volvo, International, Kenworth and Sterling to enhance their vehicles' torque and horsepower.
Customers searching for the brand's exhaust systems can look for the model, item or cross-reference number on our website. We also source direct alternatives for various old and discontinued products with no minimum order quantity required for placing orders.

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