2 MIDWEST WHEEL COMPANIES ® EXHAUST CATALOG ELBOWS 90° ELBOWS Style ID-OD 90° ELBOWS Style OD-OD 45° ELBOWS Style OD-OD Dia. Lengths Centerline Aluminized Chrome 3" 10-10 3.5 GRRL390-1010A - 3.5" 12-12 5 GRRL3590-1212A - 16-16 5 GRRL3590-1616A - 4" 8-8 4.5 GRRL490-0808A 12-12 4.5 GRRL490-1212A - 15-15 4.5 GRRL490-1515A - 18-18 4.5 GRRL490-1818A - 5" 10-10 6 GRRL590-1010A - 12-12 6 GRRL590-1212A - 15-15 6 GRRL590-1515A GRRL590-1515C 18-18 7.5 HV 42938 - 6" 13-13 7 GRRL690-1313A - Dia. Lengths Centerline Aluminized 3" 7-7 3.5 GRRL390-0707SA - 10-10 3.5 GRRL390-1010SA - 3.5" 3.5-3.5 3.5 - - 12-12 5 GRRL3590-1212SA - 4" 6.5-6.5 4.5 GRRL490-6565SA - 8-8 4.5 GRRL490-0808SA - 10-10 4.5 GRRL490-1010SA - 12-12 4.5 GRRL490-1212SA - 12-12 4.5 HV 41473 - 18-18 4.5 GRRL490-1818SA GRRL490-1818SC 5" 8-8 6 GRRL590-0808SA - 7.5-13.5 5.5 SX 42253 - 12-12 6 GRRL590-1212SA - 15-15 6 GRRL590-1515SA - 18-18 6 GRRL590-1818SA - 15-15 6 - GRRL590-1515SC 17.5-17.5 8 GRRL590-1818SA-8 - 15-15 6 - GRRL590-1515SC 18-18 10 HV 42940 - Dia. Lengths Centerline Aluminized Chrome 3" 8-8 4 GRRL345-0808SA - 3.5" 9-9 5 GRRL3545-0909SA - 4" 6-6 4.5 GRRL445-0606SA - 9-9 4.5 GRRL445-0909SA - 8-8 8 GRRL445-0808SA - 12-12 4.5 GRRL445-1212SA - 5” 8-8 5.5 GRRL545-0808SA - 8-8 8 HV 41431 - 12-12 8 GRRL545-1212SA - CONNECTORS - REDUCERS O.D. - O.D. CONNECTOR O.D. - O.D. REDUCER I.D. - I.D. CONNECTOR I.D. - I.D. REDUCER I.D. - O.D. CONNECTOR I.D. - O.D. REDUCER O.D. - I.D. REDUCER P/N I.D. - I.D. Length GRRCP-38A 3-3 8 GRRCP-358A 3.5-3.5 8 GRRCP-48A 4-4 8 GRRCP-58A 5-5 8 P/N I.D. - I.D. Length GRRR4I-3IA 4-3 8 GRRR4I-35IA 4-3.5 8 GRRR5I-4IA 5-4 8 - GRRR6I-5IA 6-5 8 P/N I.D. - O.D. Length GRRS35-18EXA 3.5 I.D. 18 GRRCN-46A 4-4 6 GRRS4-18EXA 4 I.D. 18 GRRS4-24EXA 4-4 24 GRRCN-56A 5-5 6 GRRS5-18EXA 5-5 18 GRRS5-24EXA 5-5 24 P/N I.D. - O.D. Length GRRR5I-4OA 5-4 8 GRRR6I-5OA 6-5 8 P/N O.D. - I.D. Length GRRR35O-3IA 3.5-3 8 GRRR4O-3IA 4-3 8 GRRR4O-35IA 4-3.5 8 GRRR5O-4IA 5-4 8 P/N O.D. - O.D. Length Chrome GRRS4-8SBA 4-4 8 P/N O.D. - O.D. Length GRRR4O-3OA 4-3 8 GRRR5O-4OA 5-4 8 GRRR6O-5OA 6-5 8 PART NO. REDUCER TYPE "A" DIMENSION DI R6I-5IC ID/ID 6" R5I-4IC ID/ID 5" R7I-5IC ID/ID 7" R6I-4IC ID/ID 6" R5O-4IC OD/ID 5" R6O-5IC OD/ID 6" R7O-5IC OD/ID 7" R4O-35IC OD/ID 4" R7O-5OC OD/OD 7" R6O-5OC OD/OD 6" R5O-4OC OD/OD 5" R6I-5OC ID/OD 6" R5I-4OC ID/OD 5" R7I-5OC ID/OD 7" COUPLER PART NO. REDUCER TYPE "A" DIMENSION DI CP-58C ID/ID 5" CP-68C ID/ID 6" CP-78C ID/ID 7" CP-48C ID/ID 4" CP-88C ID/ID 8" CN-56C ID/OD 5" CN-66C ID/OD 6" CN-46C ID/OD 4" Couplers and Connectors DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 2" 8" CP-28A — 2.25" 8" CP-2258A — 3" 8" CP-38A — 3.5" 8" CP-358A — 4" 8" CP-48A CP-48C 5" 8" CP-58A CP-58C 6" 8" CP-68A CP-68C 7" 8" — CP-78C 8" 8" CP-88A COUPLERS I.D. - I.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS COUPLERS/ CONNECT Style 1 Coupler I.D. - I LENGTH A B Couplers and Connectors DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 2" 8" CP-28A — 2.25" 8" CP-2258A — 3" 8" CP-38A — 3.5" 8" CP-358A — COUPLERS I.D. - I.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS COUPLE CONNE REDUCERS REDUCERS I.D. - I.D. ID DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3I-25IA 3.5" 3" 8" R35I-3IA - 4" 3" 8" R4I-3IA - 4" 3.5" 8" R4I-35IA - 5" 4" 8" R5I-4IA R5I-4IC 5" 4.5" 8" R5I-45IA - 6" 4" 8" R6I-4IA - 6" 5" 8" R6I-5IA R6I-5IC 7" 5" 8" - R7I-5IC 8" 5" 8" R8I-5IA - Reducers ALUMINIZED CHROME REDUCERS O.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS REDUCERS REDUCERS I.D. - I.D. ID DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3I-25IA 3.5" 3" 8" R35I-3IA - 4" 3" 8" R4I-3IA - 4" 3.5" 8" R4I-35IA - 5" 4" 8" R5I-4IA R5I-4IC 5" 4.5" 8" R5I-45IA - 6" 4" 8" R6I-4IA - 6" 5" 8" R6I-5IA R6I-5IC 7" 5" 8" - R7I-5IC 8" 5" 8" R8I-5IA - Reducers CONNECTORS, REDUCERS AND REPAIR SECTIONS Reducers REDUCERS O.D. - I.D. OD DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25IA - 3.5" 3" 8" R35O-3IA - 4" 3" 8" R4O-3IA - 4" 3.5" 8" R4O-35IA - 4.5" 4" 8" - - 5" 4" 8" R5O-4IA R5O-4IC CONNECTORS, REDUCERS AND REPAIR SECTIONS REDUCERS Reducers CONNECTORS, REDUCERS AND REPAIR SECTIONS LENGTH B A LENGTH B A Style 2 O.D. Style 1 I.D. - I.D. GRAND ROCK CHROME CHROME UNIVERSAL REDUCE A27 REDUCERS PART NO. REDUCER TYPE "A" DIMENSION "B" DIMENSION OVERALL LENGTH STYLE ADDITIONAL INFO R6I-5IC ID/ID 6" 5" 8" 1 R5I-4IC ID/ID 5" 4" 8" 1 R7I-5IC ID/ID 7" 5" 8" 1 R6I-4IC ID/ID 6" 4" 8" 1 CALL FOR PRICE AND AVAILABILITY R5O-4IC OD/ID 5" 4" 8" 2 R6O-5IC OD/ID 6" 5" 8" 2 R7O-5IC OD/ID 7" 5" 8" 2 R4O-35IC OD/ID 4" 3.5" 8" 2 R7O-5OC OD/OD 7" 5" 8" 3 R6O-5OC OD/OD 6" 5" 8" 3 CALL FOR PRICE AND AVAILABILITY R5O-4OC OD/OD 5" 4" 8" 3 CALL FOR PRICE AND AVAILABILITY R6I-5OC ID/OD 6" 5" 8" 4 R5I-4OC ID/OD 5" 4" 8" 4 R7I-5OC ID/OD 7" 5" 8" 4 COUPLERS AND CONNECTORS PART NO. REDUCER TYPE "A" DIMENSION "B" DIMENSION OVERALL LENGTH STYLE ADDITIONAL INFO CP-58C ID/ID 5" 5" 8" 1 CP-68C ID/ID 6" 6" 8" 1 CP-78C ID/ID 7" 7" 8" 1 CP-48C ID/ID 4" 4" 8" 1 CP-88C ID/ID 8" 8" 8" 1 CALL FOR PRICE AND AVAILABILITY CN-56C ID/OD 5" 5" 6" 2 CN-66C ID/OD 6" 6" 6" 2 CALL FOR PRICE AND AVAILABILITY CN-46C ID/OD 4" 4" 6" 2 CALL FOR PRICE AND AVAILABILITY 674 ock.com 44 Couplers and Connectors ENGTH ALUMINIZED PART NO. CHROME PART NO. 8" CP-28A — 8" CP-2258A — 8" CP-38A — 8" CP-358A — 8" CP-48A CP-48C 8" CP-58A CP-58C 8" CP-68A CP-68C 8" — CP-78C 8" CP-88A - I.D. ENGTH ALUMINIZED PART NO. CHROME PART NO. 8" CN-28A — 8" CN-2258A — 6" CN-356A — 6" CN-46A — 6" CN-56A CN-56C 6" CN-66A — 6" CN-76A 6" CN-86A .D. - O.D. ENGTH ALUMINIZED PART NO. 8" S225-8SBA 8" S25-8SBA 8" S3-8SBA 8" S35-8SBA 8" S4-8SBA 8" S5-8SBA 8" S7-8SBA O.D. - O.D. TORS, REDUCERS AND REPAIR SECTIONS 4 6/19/18 11:48 PM Style 1 Coupler I.D. - I.D. LENGTH A B 74 ck.com 44 Couplers and Connectors NGTH ALUMINIZED PART NO. CHROME PART NO. 8" CP-28A — 8" CP-2258A — 8" CP-38A — 8" CP-358A — 8" CP-48A CP-48C 8" CP-58A CP-58C 8" CP-68A CP-68C 8" — CP-78C 8" CP-88A - I.D. NGTH ALUMINIZED PART NO. CHROME PART NO. 8" CN-28A — 8" CN-2258A — 6" CN-356A — 6" CN-46A — 6" CN-56A CN-56C 6" CN-66A — 6" CN-76A 6" CN-86A D. - O.D. NGTH ALUMINIZED PART NO. 8" S225-8SBA 8" S25-8SBA 8" S3-8SBA 8" S35-8SBA 8" S4-8SBA 8" S5-8SBA 8" S7-8SBA .D. - O.D. TORS, REDUCERS AND REPAIR SECTIONS 6/19/18 11:48 PM LENGTH A B Style 2 Connector I.D. - O.D. 1-800-321-3674 www.grandrock.com 43 REDUCERS REDUCERS I.D. - I.D. ID DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3I-25IA 3.5" 3" 8" R35I-3IA - 4" 3" 8" R4I-3IA - 4" 3.5" 8" R4I-35IA - 5" 4" 8" R5I-4IA R5I-4IC 5" 4.5" 8" R5I-45IA - 6" 4" 8" R6I-4IA - 6" 5" 8" R6I-5IA R6I-5IC 7" 5" 8" - R7I-5IC 8" 5" 8" R8I-5IA - Reducers OD DIA. OD DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25OA - 3.5" 3" 8" R35O-3OA - 4" 3" 8" R4O-3OA - 4" 3.5" 8" R4O-35OA - 4.5" 4" 8" R45O-4OA - 5" 4" 8" R5O-4OA - 5" 4.5" 8" R5O-45OA - 6" 4" 8" R6O-4OA - 6" 5" 8" R6O-5OA - 7" 5" 8" R70-50A R7O-5OC 8" 5" 8" R80-50A - REDUCERS O.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS 2018CatalogSinglePagesMay2018.indd 43 6/19/18 11:48 PM 1-800-321-3674 www.grandrock.com 43 REDUCERS REDUCERS I.D. - I.D. ID DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3I-25IA 3.5" 3" 8" R35I-3IA - 4" 3" 8" R4I-3IA - 4" 3.5" 8" R4I-35IA - 5" 4" 8" R5I-4IA R5I-4IC 5" 4.5" 8" R5I-45IA - 6" 4" 8" R6I-4IA - 6" 5" 8" R6I-5IA R6I-5IC 7" 5" 8" - R7I-5IC 8" 5" 8" R8I-5IA - Reducers OD DIA. OD DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25OA - 3.5" 3" 8" R35O-3OA - 4" 3" 8" R4O-3OA - 4" 3.5" 8" R4O-35OA - 4.5" 4" 8" R45O-4OA - 5" 4" 8" R5O-4OA - 5" 4.5" 8" R5O-45OA - 6" 4" 8" R6O-4OA - 6" 5" 8" R6O-5OA - 7" 5" 8" R70-50A R7O-5OC 8" 5" 8" R80-50A - REDUCERS O.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS 2018CatalogSinglePagesMay2018.indd 43 6/19/18 11:48 PM 1-800-321-3674 www.grandrock.com 42 Reducers REDUCERS O.D. - I.D. REDUCERS I.D. - 0.D. OD DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25IA - 3.5" 3" 8" R35O-3IA - 4" 3" 8" R4O-3IA - 4" 3.5" 8" R4O-35IA - 4.5" 4" 8" - - 5" 4" 8" R5O-4IA R5O-4IC 5" 4.5" 8" R5O-45IA - 6" 5" 8" R6O-5IA R6O-5IC 7" 5" 8" - R7O-5IC 8" 5" 8" R80-5IA – ID DIA. OD DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3.5" 3" 8" R35I-3OA - 4" 3" 8" R4I-3OA - 4" 3.5" 8" R4I-35OA - 4.5" 4" 8" R45I-4OA - 5" 4" 8" R5I-4OA R5I-4OC 6" 4" 8" R6I-4OA - 6" 5" 8" R6I-5OA R6I-5OC 7" 5" 8" - R7I-5OC 8" 5" 8" R8I-50A - CONNECTORS, REDUCERS AND REPAIR SECTIONS REDUCERS 2018CatalogSinglePagesMay2018.indd 42 6/19/18 11:48 PM 1-800-321-3674 www.grandrock.com 42 Reducers REDUCERS O.D. - I.D. REDUCERS I.D. - 0.D. OD DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25IA - 3.5" 3" 8" R35O-3IA - 4" 3" 8" R4O-3IA - 4" 3.5" 8" R4O-35IA - 4.5" 4" 8" - - 5" 4" 8" R5O-4IA R5O-4IC 5" 4.5" 8" R5O-45IA - 6" 5" 8" R6O-5IA R6O-5IC 7" 5" 8" - R7O-5IC 8" 5" 8" R80-5IA – ID DIA. OD DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3.5" 3" 8" R35I-3OA - 4" 3" 8" R4I-3OA - 4" 3.5" 8" R4I-35OA - 4.5" 4" 8" R45I-4OA - 5" 4" 8" R5I-4OA R5I-4OC 6" 4" 8" R6I-4OA - 6" 5" 8" R6I-5OA R6I-5OC 7" 5" 8" - R7I-5OC 8" 5" 8" R8I-50A - CONNECTORS, REDUCERS AND REPAIR SECTIONS REDUCERS 2018CatalogSinglePagesMay2018.indd 42 6/19/18 11:48 PM LENGTH B A LENGTH B A LENGTH B A LENGTH B A Style 2 O.D. - I.D. Style 1 I.D. - I.D. Style 4 I.D. - O.D. Style 3 O.D. - O.D. GRAND ROCK CHROME CHROME UNIVERSAL REDUCERS & CONNECTORS A27 REDUCERS PART NO. REDUCER TYPE "A" DIMENSION "B" DIMENSION OVERALL LENGTH STYLE R6I-5IC ID/ID 6" 5" 8" 1 R5I-4IC ID/ID 5" 4" 8" 1 R7I-5IC ID/ID 7" 5" 8" 1 R6I-4IC ID/ID 6" 4" 8" 1 R5O-4IC OD/ID 5" 4" 8" 2 R6O-5IC OD/ID 6" 5" 8" 2 R7O-5IC OD/ID 7" 5" 8" 2 R4O-35IC OD/ID 4" 3.5" 8" 2 R7O-5OC OD/OD 7" 5" 8" 3 R6O-5OC OD/OD 6" 5" 8" 3 R5O-4OC OD/OD 5" 4" 8" 3 R6I-5OC ID/OD 6" 5" 8" 4 R5I-4OC ID/OD 5" 4" 8" 4 R7I-5OC ID/OD 7" 5" 8" 4 COUPLERS AND CONNEC PART NO. REDUCER TYPE "A" DIMENSION "B" DIMENSION OVERALL LENGTH STYLE CP-58C ID/ID 5" 5" 8" 1 CP-68C ID/ID 6" 6" 8" 1 CP-78C ID/ID 7" 7" 8" 1 CP-48C ID/ID 4" 4" 8" 1 CP-88C ID/ID 8" 8" 8" 1 CN-56C ID/OD 5" 5" 6" 2 CN-66C ID/OD 6" 6" 6" 2 CN-46C ID/OD 4" 4" 6" 2 Couplers and Connectors DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 2" 8" CP-28A — 2.25" 8" CP-2258A — 3" 8" CP-38A — 3.5" 8" CP-358A — 4" 8" CP-48A CP-48C 5" 8" CP-58A CP-58C 6" 8" CP-68A CP-68C 7" 8" — CP-78C 8" 8" CP-88A COUPLERS I.D. - I.D. DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 2" 8" CN-28A — 2.25" 8" CN-2258A — 3.5" 6" CN-356A — 4" 6" CN-46A — 5" 6" CN-56A CN-56C 6" 6" CN-66A — 7" 6" CN-76A CONNECTORS I.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS COUPLERS/ CONNECT Style 1 Coupler I.D. - I.D. LENGTH A B Couplers and Connectors DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 2" 8" CP-28A — 2.25" 8" CP-2258A — 3" 8" CP-38A — 3.5" 8" CP-358A — 4" 8" CP-48A CP-48C 5" 8" CP-58A CP-58C 6" 8" CP-68A CP-68C 7" 8" — CP-78C 8" 8" CP-88A COUPLERS I.D. - I.D. DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. CONNECTORS I.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS COUPLERS/ CONNECT LENGTH Style 2 C REDUCERS REDUCERS I.D. - I.D. ID DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3I-25IA 3.5" 3" 8" R35I-3IA - 4" 3" 8" R4I-3IA - 4" 3.5" 8" R4I-35IA - 5" 4" 8" R5I-4IA R5I-4IC 5" 4.5" 8" R5I-45IA - 6" 4" 8" R6I-4IA - 6" 5" 8" R6I-5IA R6I-5IC 7" 5" 8" - R7I-5IC 8" 5" 8" R8I-5IA - Reducers OD DIA. OD DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25OA - 3.5" 3" 8" R35O-3OA - 4" 3" 8" R4O-3OA - 4" 3.5" 8" R4O-35OA - 4.5" 4" 8" R45O-4OA - 5" 4" 8" R5O-4OA - 5" 4.5" 8" R5O-45OA - 6" 4" 8" R6O-4OA - 6" 5" 8" R6O-5OA - 7" 5" 8" R70-50A R7O-5OC 8" 5" 8" R80-50A - REDUCERS O.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS REDUCERS REDUCERS I.D. - I.D. ID DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3I-25IA 3.5" 3" 8" R35I-3IA - 4" 3" 8" R4I-3IA - 4" 3.5" 8" R4I-35IA - 5" 4" 8" R5I-4IA R5I-4IC 5" 4.5" 8" R5I-45IA - 6" 4" 8" R6I-4IA - 6" 5" 8" R6I-5IA R6I-5IC 7" 5" 8" - R7I-5IC 8" 5" 8" R8I-5IA - Reducers OD DIA. OD DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25OA - 3.5" 3" 8" R35O-3OA - 4" 3" 8" R4O-3OA - 4" 3.5" 8" R4O-35OA - 4.5" 4" 8" R45O-4OA - REDUCERS O.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS Reducers REDUCERS O.D. - I.D. REDUCERS I.D. - 0.D. OD DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25IA - 3.5" 3" 8" R35O-3IA - 4" 3" 8" R4O-3IA - 4" 3.5" 8" R4O-35IA - 4.5" 4" 8" - - 5" 4" 8" R5O-4IA R5O-4IC 5" 4.5" 8" R5O-45IA - 6" 5" 8" R6O-5IA R6O-5IC 7" 5" 8" - R7O-5IC 8" 5" 8" R80-5IA – ALUMINIZED CHROME CONNECTORS, REDUCERS AND REPAIR SECTIONS REDUCERS Reducers REDUCERS O.D. - I.D. OD DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25IA - 3.5" 3" 8" R35O-3IA - 4" 3" 8" R4O-3IA - 4" 3.5" 8" R4O-35IA - 4.5" 4" 8" - - 5" 4" 8" R5O-4IA R5O-4IC 5" 4.5" 8" R5O-45IA - 6" 5" 8" R6O-5IA R6O-5IC 7" 5" 8" - R7O-5IC 8" 5" 8" R80-5IA – CONNECTORS, REDUCERS AND REPAIR SECTIONS REDUCERS LENGTH B A LENGTH B A LENGTH B A Style 2 O.D. - I.D. Style 1 I.D. - I.D. Style 3 O.D GRAND ROCK CHROME CHROME UNIVERSAL REDUCERS & CO A27 REDUCERS PART NO. REDUCER TYPE "A" DIMENSION "B" DIMENSION OVERALL LENGTH STYLE ADDITIONAL INFO R6I-5IC ID/ID 6" 5" 8" 1 R5I-4IC ID/ID 5" 4" 8" 1 R7I-5IC ID/ID 7" 5" 8" 1 R6I-4IC ID/ID 6" 4" 8" 1 CALL FOR PRICE AND AVAILABILITY R5O-4IC OD/ID 5" 4" 8" 2 R6O-5IC OD/ID 6" 5" 8" 2 R7O-5IC OD/ID 7" 5" 8" 2 R4O-35IC OD/ID 4" 3.5" 8" 2 R7O-5OC OD/OD 7" 5" 8" 3 R6O-5OC OD/OD 6" 5" 8" 3 CALL FOR PRICE AND AVAILABILITY R5O-4OC OD/OD 5" 4" 8" 3 CALL FOR PRICE AND AVAILABILITY R6I-5OC ID/OD 6" 5" 8" 4 R5I-4OC ID/OD 5" 4" 8" 4 R7I-5OC ID/OD 7" 5" 8" 4 COUPLERS AND CONNECTORS PART NO. REDUCER TYPE "A" DIMENSION "B" DIMENSION OVERALL LENGTH STYLE ADDITIONAL INFO CP-58C ID/ID 5" 5" 8" 1 CP-68C ID/ID 6" 6" 8" 1 CP-78C ID/ID 7" 7" 8" 1 CP-48C ID/ID 4" 4" 8" 1 CP-88C ID/ID 8" 8" 8" 1 CALL FOR PRICE AND AVAILABILITY CN-56C ID/OD 5" 5" 6" 2 CN-66C ID/OD 6" 6" 6" 2 CALL FOR PRICE AND AVAILABILITY CN-46C ID/OD 4" 4" 6" 2 CALL FOR PRICE AND AVAILABILITY 1-800-321-3674 www.grandrock.com 44 Couplers and Connectors DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 2" 8" CP-28A — 2.25" 8" CP-2258A — 3" 8" CP-38A — 3.5" 8" CP-358A — 4" 8" CP-48A CP-48C 5" 8" CP-58A CP-58C 6" 8" CP-68A CP-68C 7" 8" — CP-78C 8" 8" CP-88A COUPLERS I.D. - I.D. DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 2" 8" CN-28A — 2.25" 8" CN-2258A — 3.5" 6" CN-356A — 4" 6" CN-46A — 5" 6" CN-56A CN-56C 6" 6" CN-66A — 7" 6" CN-76A 8" 6" CN-86A CONNECTORS I.D. - O.D. DIA. LENGTH ALUMINIZED PART NO. 2.25" 8" S225-8SBA 2.5" 8" S25-8SBA 3" 8" S3-8SBA 3.5" 8" S35-8SBA 4" 8" S4-8SBA 5" 8" S5-8SBA 7" 8" S7-8SBA CONNECTORS O.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS COUPLERS/ CONNECT 2018CatalogSinglePagesMay2018.indd 44 6/19/18 11:48 PM Style 1 Coupler I.D. - I.D. LENGTH A B 1-800-321-3674 www.grandrock.com 44 Couplers and Connectors DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 2" 8" CP-28A — 2.25" 8" CP-2258A — 3" 8" CP-38A — 3.5" 8" CP-358A — 4" 8" CP-48A CP-48C 5" 8" CP-58A CP-58C 6" 8" CP-68A CP-68C 7" 8" — CP-78C 8" 8" CP-88A COUPLERS I.D. - I.D. DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 2" 8" CN-28A — 2.25" 8" CN-2258A — 3.5" 6" CN-356A — 4" 6" CN-46A — 5" 6" CN-56A CN-56C 6" 6" CN-66A — 7" 6" CN-76A 8" 6" CN-86A CONNECTORS I.D. - O.D. DIA. LENGTH ALUMINIZED PART NO. 2.25" 8" S225-8SBA 2.5" 8" S25-8SBA 3" 8" S3-8SBA 3.5" 8" S35-8SBA 4" 8" S4-8SBA 5" 8" S5-8SBA 7" 8" S7-8SBA CONNECTORS O.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS COUPLERS/ CONNECT 2018CatalogSinglePagesMay2018.indd 44 6/19/18 11:48 PM LENGTH A B Style 2 Connector I.D. - O.D. 1-800-321-3674 www.grandrock.com 43 REDUCERS REDUCERS I.D. - I.D. ID DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3I-25IA 3.5" 3" 8" R35I-3IA - 4" 3" 8" R4I-3IA - 4" 3.5" 8" R4I-35IA - 5" 4" 8" R5I-4IA R5I-4IC 5" 4.5" 8" R5I-45IA - 6" 4" 8" R6I-4IA - 6" 5" 8" R6I-5IA R6I-5IC 7" 5" 8" - R7I-5IC 8" 5" 8" R8I-5IA - Reducers OD DIA. OD DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25OA - 3.5" 3" 8" R35O-3OA - 4" 3" 8" R4O-3OA - 4" 3.5" 8" R4O-35OA - 4.5" 4" 8" R45O-4OA - 5" 4" 8" R5O-4OA - 5" 4.5" 8" R5O-45OA - 6" 4" 8" R6O-4OA - 6" 5" 8" R6O-5OA - 7" 5" 8" R70-50A R7O-5OC 8" 5" 8" R80-50A - REDUCERS O.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS 2018CatalogSinglePagesMay2018.indd 43 6/19/18 11:48 PM 1-800-321-3674 www.grandrock.com 43 REDUCERS REDUCERS I.D. - I.D. ID DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3I-25IA 3.5" 3" 8" R35I-3IA - 4" 3" 8" R4I-3IA - 4" 3.5" 8" R4I-35IA - 5" 4" 8" R5I-4IA R5I-4IC 5" 4.5" 8" R5I-45IA - 6" 4" 8" R6I-4IA - 6" 5" 8" R6I-5IA R6I-5IC 7" 5" 8" - R7I-5IC 8" 5" 8" R8I-5IA - Reducers OD DIA. OD DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25OA - 3.5" 3" 8" R35O-3OA - 4" 3" 8" R4O-3OA - 4" 3.5" 8" R4O-35OA - 4.5" 4" 8" R45O-4OA - 5" 4" 8" R5O-4OA - 5" 4.5" 8" R5O-45OA - 6" 4" 8" R6O-4OA - 6" 5" 8" R6O-5OA - 7" 5" 8" R70-50A R7O-5OC 8" 5" 8" R80-50A - REDUCERS O.D. - O.D. CONNECTORS, REDUCERS AND REPAIR SECTIONS 2018CatalogSinglePagesMay2018.indd 43 6/19/18 11:48 PM 1-800-321-3674 www.grandrock.com 42 Reducers REDUCERS O.D. - I.D. REDUCERS I.D. - 0.D. OD DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25IA - 3.5" 3" 8" R35O-3IA - 4" 3" 8" R4O-3IA - 4" 3.5" 8" R4O-35IA - 4.5" 4" 8" - - 5" 4" 8" R5O-4IA R5O-4IC 5" 4.5" 8" R5O-45IA - 6" 5" 8" R6O-5IA R6O-5IC 7" 5" 8" - R7O-5IC 8" 5" 8" R80-5IA – ID DIA. OD DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3.5" 3" 8" R35I-3OA - 4" 3" 8" R4I-3OA - 4" 3.5" 8" R4I-35OA - 4.5" 4" 8" R45I-4OA - 5" 4" 8" R5I-4OA R5I-4OC 6" 4" 8" R6I-4OA - 6" 5" 8" R6I-5OA R6I-5OC 7" 5" 8" - R7I-5OC 8" 5" 8" R8I-50A - CONNECTORS, REDUCERS AND REPAIR SECTIONS REDUCERS 2018CatalogSinglePagesMay2018.indd 42 6/19/18 11:48 PM 1-800-321-3674 www.grandrock.com 42 Reducers REDUCERS O.D. - I.D. REDUCERS I.D. - 0.D. OD DIA. ID DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3" 2.5" 8" R3O-25IA - 3.5" 3" 8" R35O-3IA - 4" 3" 8" R4O-3IA - 4" 3.5" 8" R4O-35IA - 4.5" 4" 8" - - 5" 4" 8" R5O-4IA R5O-4IC 5" 4.5" 8" R5O-45IA - 6" 5" 8" R6O-5IA R6O-5IC 7" 5" 8" - R7O-5IC 8" 5" 8" R80-5IA – ID DIA. OD DIA. LENGTH ALUMINIZED PART NO. CHROME PART NO. 3.5" 3" 8" R35I-3OA - 4" 3" 8" R4I-3OA - 4" 3.5" 8" R4I-35OA - 4.5" 4" 8" R45I-4OA - 5" 4" 8" R5I-4OA R5I-4OC 6" 4" 8" R6I-4OA - 6" 5" 8" R6I-5OA R6I-5OC 7" 5" 8" - R7I-5OC 8" 5" 8" R8I-50A - CONNECTORS, REDUCERS AND REPAIR SECTIONS REDUCERS 2018CatalogSinglePagesMay2018.indd 42 6/19/18 11:48 PM LENGTH B A LENGTH B A LENGTH B A LENGTH B A Style 2 O.D. - I.D. Style 1 I.D. - I.D. Style 4 I.D. - O.D. Style 3 O.D. - O.D. GRAND ROCK CHROME CHROME UNIVERSAL REDUCERS & NECTORS A27
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