SI Honda Performance Silver Line Series
Stainless Steel Racing Valves

RPM - RON'S PRECISION MACHINE, INC.
69 E. 580 N.
Santaquin, Utah 84655
1-801-754-5338 or Toll free 1-866-700-5877
Contact us anytime 24-7
Hours 9-5 Monday-Friday Mtn. Time

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We are pleased to now offer an upward extension of our existing product line with the addition of “The Silver Line.” These premium quality racing valves are the perfect compliment to our current stock, street performance and competition valves. Thesenew “Silver Line” valves to compare favorably with top-of-the-line models from our competitors in both appearance and performance. So there’s no need to go anywhere else. Ideal for the most extreme racing conditions. Applications for aftermarket heads start at .050 longer. These are fully swirl polished. Chromed stems and Stellite tips. Special thick margins and modified radius make Silver Lines our lightest and best flowing valves. Silver Lines are available in hundreds of sizes for all types of serious race heads. You save money and get the best at the the same time.
Compare our Silver Line Series to anybody’s best valve.

HEAD DIAMETER

OVERALL LENGTH

STEM DIAMETER

TIP LENGTH

TYPE

PART NUMBER
 Your Cost ea. $ 
CB 600 / CB 900 / CBX 1050  
23.0mm 88.55mm 5.50mm 4.35mm EX SL-15 N/A 
27.5mm 90.50mm 5.50mm 4.35mm IN SL-18 N/A 
28.5mm IN 86.90mm 4.50mm 1.00mm CBR900R SL-50 19.53 
26.5mm IN 79.30mm 4.00mm 1.00mm CBR600 SL-52 19.53 
24.0mm EX 86.90mm 4.50mm 1.00mm CBR900 SL-56 19.53
23.0mm EX 79.20mm 4.00mm 1.00mm CBR600 SL-58 19.53
22.0mm EX 79.30mm 4.00mm 1.00mm CBR600 SL-153 19.53 
25.5mm IN 79.20mm 4.00mm 1.00mm CBR600 SL-156 N/A 

N/A = No longer available.

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