CYLINDER SLEEVE 76-77 SUZUKI RM 370 77mm VINTCO SLS04A
4.1 Trustpilot 99.9% positive on eBay
Delivery to United States 5–8 business days
Spread the cost with 
USA-made cast iron cylinder sleeve for 1976-1977 Suzuki RM370 models. Designed for installation into the original cylinder. Manufactured using modern materials and production methods for OEM-style fit and performance. Features correctly angled ports to reduce port-matching work. Can be bored and honed to suit a stock-size VintCo piston kit. All dimensions supplied for installation by an experienced and qualified machinist. VintCo Part Number: SLS04A. Bore: 77 mm. Height: 157.4 mm. Outer diameter: 88.5 mm. Flange outer diameter: 96.9 mm. Flange height: 4.1 mm. Wall thickness: 6.3 mm. Intake: 25.5 mm. Exhaust port location: 42.9 mm. Made for VintCo by Advanced Sleeve.
- SKU
- VIN-SLS04A
- Brand
- Vintco
- Availability
- In Stock (1)
Fitments (2)
| Make | Model | Year |
|---|---|---|
| SUZUKI | RM 370 | 1976 |
| SUZUKI | RM 370 | 1977 |
- SKU
- VIN-SLS04A
- Brand
- Vintco
- Availability
- In Stock (1)
FULL DESCRIPTION
VintCo USA Made Cast Iron Cylinder Sleeve for Vintage Suzuki RM370
Restore your vintage Suzuki RM370 with this high-quality, USA-made cast iron cylinder sleeve from VintCo. Designed as a direct replacement for 1976 and 1977 models, this sleeve is the ideal solution when your original cylinder needs professional sleeving. Manufactured using advanced materials and modern production techniques, it ensures an OEM-style fit and delivers reliable performance.
The VintCo cylinder sleeve is engineered with precisely angled ports, significantly reducing the need for extensive port-matching work during installation. This sleeve is designed to be bored and honed to accommodate a stock-size VintCo piston kit, providing a complete solution for your engine rebuild. All critical dimensions are provided to guide experienced and qualified machinists for proper installation.
Key Features:
- Premium replacement cylinder sleeve for vintage Suzuki RM370 motorcycles.
- Manufactured in the USA for exceptional quality and durability.
- Features correctly angled ports to minimize required port-matching during installation.
- Boreable and honeable to match stock-size VintCo piston kits.
- Engineered for installation by a qualified and experienced machinist.
- Made for VintCo by Advanced Sleeve.
Specifications:
- Product Type: Cylinder Sleeve
- Material: Cast Iron
- Country of Manufacture: USA
- Bore: 77 mm
- Height: 157.4 mm
- Outer Diameter: 88.5 mm
- Flange Outer Diameter: 96.9 mm
- Flange Height: 4.1 mm
- Wall Thickness: 6.3 mm
- Intake Port Size: 25.5 mm
- Exhaust Port Location: 42.9 mm
QUESTIONS? JUST ASK
Talk to John or Phil. Real people, Monday to Friday, 10:00 to 17:00 (UK time).
Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.
Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.
More answers in our FAQ.
Trade pricing available
Buying parts for your business? Apply for a 2BrosParts trade account.