| Model Year | Engine Size | Price | Core Charge | Part Number |
|---|---|---|---|---|
| 60-62 | 1200 cc | 2699..00 | 550.00 | JCS 201R |
| 63-66 | 1600 cc | 2699.00 | 550.00 | JCS 202R |
| 67 | 1600 cc | 2699.00 | 550.00 | JCS 203R |
| 68-69 Rear Mount | 1600 cc | 2599.00 | 550.00 | JCS 208R |
| 70 Rear Mount | 1600 cc | 2599.00 | 550.00 | JCS 209R |
| 71 Dual Port New Heads, Rear Mount | 1600 cc | 2599.00 | 550.00 | JCS 210R |
| Single Port Rear Mount | 1641 cc | 2799.00 | 550.00 | JCS 272R |
| Dual Port Rear Mount New Heads | 1641 cc | 2799.00 | 550.00 | JCS 273R |
| 1972 Bus, Camper | 1700 cc | 3049.00 | 500.00 | JCS 411R |
| 1972 Bus, Camper, Hydraulic lifters | 1700 cc | 3049.00 | 500.00 | JCS 411R H |
| 1973 Bus, Camper | 1700 cc | 3049.00 | 500.00 | JCS 412R |
| 1973 Bus, Camper Hydraulic Lifters | 1700 cc | 3149.00 | 500.00 | JCS 412R H |
| 1974 - 1975 Bus Camper | 1800 cc | 3049.00 | 500.00 | JCS 413R |
| 1974 - 1975 Bus, Camper Hydraulic Lifters | 1800 cc | 3149.00 | 500.00 | JCS 413R H |
| 1976- 1978 Bus, Camper | 2000 cc | 3049.00 | 800.00 | JCS 425R |
| 1976-1978 Bus, Camper, Hydraulic Lifters | 2000 cc | 3149.00 | 800.00 | JCS 425R H |
| 1979 Bus, Camper, Hydraulic, Square Port | 2000 cc | 3149.00 | 800.00 | JCS 426R H |
| 1980-1983 Vanagon, Hydraulic Lifters | 2000.cc | 3149.00 | 800.00 | JCS 430R H |
| 1983-1985 Water Boxer | 1900 cc | 3549.00 | 600.00 | JCS 470R H |
| 1986 Up Water Boxer | 2100 cc | 3549.00 | 800.00 | JCS 471R H |
New cylinder heads are available for an additional $200.00 through 1971
$700.00 1972 up including Water Boxer
