The Enginetech CR440-1 is a Full Gasket Set for 1960-1978 Chrysler, Dodge, Plymouth 6.3L-6.6L V8 engines, engineered to OEM specifications for a complete and reliable rebuild.
Important Notes:
- Except 440-3 A engine. Intake manifold gasket not Included.
- Intake manifold gasket not Included.
| Part Number | CR440-1 |
| Gasket Set Type | Full Gasket Set |
| Engine | 6.3L-6.6L V8 |
| Year Range | 1960-1978 |
| Makes | Chrysler, Dodge, Plymouth |
| Country of Origin | US |
| Weight | 2.5 lbs |
| UPC | 707473094306 |
| OEM Cross-Refs | FEL-PRO:260-1043, FEL-PRO:KS2110, Victor Reinz:95-3344VR |
Fitment:
- 1960 Chrysler Saratoga 6.3L 383ci V8 OHV
- 1960 Chrysler Windsor 6.3L 383ci V8 OHV
- 1960 Dodge Custom 6.3L 383ci V8 OHV
- 1960 Dodge Dart 6.3L 383ci V8 OHV
- 1960 Dodge Matador 6.3L 383ci V8 OHV
- 1960 Dodge Phoenix 6.3L 383ci V8 OHV
- 1960 Dodge Polara 6.3L 383ci V8 OHV
- 1960 Plymouth Belvedere 6.3L 383ci V8 OHV
- 1960 Plymouth Custom 6.3L 383ci V8 OHV
- 1960 Plymouth Fleet Special 6.3L 383ci V8 OHV
- 1960 Plymouth Fury 6.3L 383ci V8 OHV
- 1960 Plymouth Savoy 6.3L 383ci V8 OHV
- 1960 Plymouth Sport Wagon 6.3L 383ci V8 OHV
- 1960 Plymouth Suburban 6.3L 383ci V8 OHV
- 1961 Chrysler Windsor 6.3L 383ci V8 OHV
- 1961 Dodge Custom 6.3L 383ci V8 OHV
- 1961 Dodge Dart 6.3L 383ci V8 OHV
- 1961 Dodge Phoenix 6.3L 383ci V8 OHV
- 1961 Dodge Pioneer 6.3L 383ci V8 OHV
- 1961 Dodge Polara 6.3L 383ci V8 OHV
- 1961 Dodge Seneca 6.3L 383ci V8 OHV
- 1961 Plymouth Belvedere 6.3L 383ci V8 OHV
- 1961 Plymouth Custom 6.3L 383ci V8 OHV
- 1961 Plymouth Fleet Special 6.3L 383ci V8 OHV
- 1961 Plymouth Fury 6.3L 383ci V8 OHV
- 1961 Plymouth Savoy 6.3L 383ci V8 OHV
- 1961 Plymouth Sport Wagon 6.3L 383ci V8 OHV
- 1961 Plymouth Suburban 6.3L 383ci V8 OHV
- 1962 Chrysler 300 6.3L 383ci V8 OHV
- 1962 Dodge Dart 6.3L 383ci V8 OHV
- 1962 Dodge Polara 6.3L 383ci V8 OHV
- 1962 Plymouth Belvedere 6.3L 383ci V8 OHV
- 1962 Plymouth Fleet Special 6.3L 383ci V8 OHV
- 1962 Plymouth Fury 6.3L 383ci V8 OHV
- 1962 Plymouth Savoy 6.3L 383ci V8 OHV
- 1963 Chrysler 300 6.3L 383ci V8 OHV
- 1963 Chrysler 300 6.7L 413ci V8 OHV
- 1963 Chrysler Imperial 6.7L 413ci V8 OHV
- 1963 Chrysler New Yorker 6.7L 413ci V8 OHV
- 1963 Chrysler Newport 5.9L 361ci V8 OHV
- 1963 Chrysler Newport 6.7L 413ci V8 OHV
- 1963 Dodge 330 6.3L 383ci V8 OHV
- 1963 Dodge 440 6.3L 383ci V8 OHV
- 1963 Dodge 880 5.9L 361ci V8 OHV
- 1963 Dodge 880 6.7L 413ci V8 OHV
- 1963 Plymouth Belvedere 5.9L 361ci V8 OHV
- 1963 Plymouth Belvedere 6.3L 383ci V8 OHV
- 1963 Plymouth Belvedere 6.7L 413ci V8 OHV
- 1963 Plymouth Fleet Special 5.9L 361ci V8 OHV
- 1963 Plymouth Fleet Special 6.3L 383ci V8 OHV
- 1963 Plymouth Fleet Special 6.7L 413ci V8 OHV
- 1963 Plymouth Fury 5.9L 361ci V8 OHV
- 1963 Plymouth Fury 6.7L 413ci V8 OHV
- 1963 Plymouth Savoy 5.9L 361ci V8 OHV
- 1963 Plymouth Savoy 6.3L 383ci V8 OHV
- 1963 Plymouth Savoy 6.7L 413ci V8 OHV
- 1963-1964 Dodge 880 6.3L 383ci V8
- 1963-1964 Dodge Polara 6.3L 383ci V8
- 1963-1964 Plymouth Fury 6.3L 383ci V8
- 1964 Chrysler 300 6.3L 383ci V8 OHV
- 1964 Chrysler 300 6.7L 413ci V8 OHV
- 1964 Chrysler Imperial 6.7L 413ci V8
- 1964 Chrysler New Yorker 6.7L 413ci V8 OHV
- 1964 Chrysler Newport 5.9L 361ci V8 OHV
- 1964 Chrysler Newport 6.7L 413ci V8 OHV
- 1964 Dodge 330 6.3L 383ci V8 OHV
- 1964 Dodge 440 6.3L 383ci V8 OHV
- 1964 Dodge 880 5.9L 361ci V8 OHV
- 1964 Plymouth Barracuda 5.9L 361ci V8 OHV
- 1964 Plymouth Belvedere 5.9L 361ci V8 OHV
- 1964 Plymouth Belvedere 6.3L 383ci V8 OHV
- 1964 Plymouth Belvedere 6.7L 413ci V8 OHV
- 1964 Plymouth Fury 5.9L 361ci V8 OHV
- 1964 Plymouth Fury 6.7L 413ci V8 OHV
- 1964 Plymouth Savoy 5.9L 361ci V8 OHV
- 1964 Plymouth Savoy 6.3L 383ci V8 OHV
- 1964 Plymouth Savoy 6.7L 413ci V8 OHV
- 1965 Chrysler 300 6.3L 383ci V8 OHV
- 1965 Chrysler 300 6.7L 413ci V8 OHV
- 1965 Chrysler Imperial 6.7L 413ci V8 OHV
- 1965 Chrysler New Yorker 6.7L 413ci V8 OHV
- 1965 Chrysler Newport 6.3L 383ci V8 OHV
- 1965 Chrysler Newport 6.7L 413ci V8 OHV
- 1965 Dodge 880 6.3L 383ci V8 OHV
- 1965 Dodge 880 6.7L 413ci V8 OHV
- 1965 Dodge Coronet 5.9L 361ci V8 OHV
- 1965 Dodge Coronet 6.3L 383ci V8 OHV
- 1965 Dodge Monaco 6.3L 383ci V8 OHV
- 1965 Dodge Monaco 6.7L 413ci V8 OHV
- 1965 Dodge Polara 6.3L 383ci V8 OHV
- 1965 Dodge Polara 6.7L 413ci V8 OHV
- 1965 Plymouth Belvedere 5.9L 361ci V8 OHV
- 1965 Plymouth Belvedere 6.3L 383ci V8 OHV
- 1965 Plymouth Fury 5.9L 361ci V8 OHV
- 1965 Plymouth Fury 6.3L 383ci V8 OHV
- 1965 Plymouth Fury II 6.3L 383ci V8 OHV
- 1965 Plymouth Fury III 6.3L 383ci V8 OHV
- 1965 Plymouth Satellite 5.9L 361ci V8 OHV
- 1965 Plymouth Satellite 6.3L 383ci V8 OHV
- 1966 Chrysler 300 6.3L 383ci V8 OHV [VIN:G]
- 1966 Chrysler 300 7.2L 440ci V8 OHV
- 1966 Chrysler Imperial 7.2L 440ci V8 OHV
- 1966 Chrysler New Yorker 7.2L 440ci V8 OHV
- 1966 Chrysler Newport 7.2L 440ci V8 OHV
- 1966 Dodge Charger 5.9L 361ci V8 OHV [VIN:F]
- 1966 Dodge Coronet 5.9L 361ci V8 OHV [VIN:F]
- 1966 Dodge Monaco 7.2L 440ci V8 OHV
- 1966 Dodge Polara 7.2L 440ci V8 OHV
- 1966 Plymouth Belvedere 5.9L 361ci V8 OHV [VIN:F]
- 1966 Plymouth Belvedere 7.2L 440ci V8 OHV
- 1966 Plymouth Fury 5.9L 361ci V8 OHV [VIN:F]
- 1966 Plymouth Fury 7.2L 440ci V8 OHV
- 1966 Plymouth Fury II 7.2L 440ci V8 OHV
- 1966 Plymouth Fury III 7.2L 440ci V8 OHV
- 1966 Plymouth Satellite 5.9L 361ci V8 OHV [VIN:F]
- 1966 Plymouth Satellite 7.2L 440ci V8 OHV
- 1966-1967 Chrysler Imperial 7.2L 440ci V8
- 1966-1967 Dodge Coronet 7.2L 440ci V8
- 1966-1967, 1970-1971 Chrysler 300 7.2L 440ci V8
- 1966-1967, 1973-1974 Plymouth Satellite 7.2L 440ci V8 OHV
- 1966-1969 Chrysler Imperial 7.2L 440ci V8 OHV [VIN:K]
- 1966-1969 Chrysler Imperial 7.2L 440ci V8 OHV [VIN:L]
- 1966-1969 Dodge Polara 7.2L 440ci V8 OHV [VIN:K]
- 1966-1969 Dodge Polara 7.2L 440ci V8 OHV [VIN:L]
- 1966-1969 Plymouth Belvedere 6.3L 383ci V8 OHV [VIN:G]
- 1966-1971 Chrysler 300 7.2L 440ci V8 OHV
- 1966-1971 Chrysler Newport 6.3L 383ci V8 OHV
- 1966-1971 Dodge Charger 6.3L 383ci V8 OHV
- 1966-1971 Dodge Coronet 6.3L 383ci V8 OHV
- 1966-1971 Dodge Monaco 6.3L 383ci V8 OHV
- 1966-1971 Dodge Polara 6.3L 383ci V8 OHV
- 1966-1971 Plymouth Fury 6.3L 383ci V8 OHV
- 1966-1971 Plymouth Fury II 6.3L 383ci V8 OHV
- 1966-1971 Plymouth Fury III 6.3L 383ci V8 OHV
- 1966-1971 Plymouth Satellite 6.3L 383ci V8 OHV
- 1966-1974 Plymouth Fury 7.2L 440ci V8
- 1966-1978 Chrysler New Yorker 7.2L 440ci V8 OHV
- 1966-1978 Chrysler Newport 7.2L 440ci V8 OHV
- 1966-1978 Dodge Monaco 7.2L 440ci V8 OHV
- 1967 Dodge D100 Series 6.3L 383ci V8 OHV [VIN:J]
- 1967 Dodge D200 Series 6.3L 383ci V8 OHV [VIN:J]
- 1967 Dodge D300 Series 6.3L 383ci V8 OHV [VIN:J]
- 1967 Dodge W100 Series 6.3L 383ci V8 OHV [VIN:J]
- 1967 Dodge W200 Series 6.3L 383ci V8 OHV [VIN:J]
- 1967 Dodge W300 Series 6.3L 383ci V8 OHV [VIN:J]
- 1967 Plymouth Belvedere 7.2L 440ci V8 OHV
- 1967 Plymouth Belvedere 7.2L 440ci V8 OHV [VIN:K]
- 1967 Plymouth Fury 7.2L 440ci V8 OHV
- 1967 Plymouth Fury II 7.2L 440ci V8 OHV
- 1967 Plymouth Fury III 7.2L 440ci V8 OHV
- 1967 Plymouth Satellite 7.2L 440ci V8 OHV
- 1967 Plymouth VIP 6.3L 383ci V8 OHV [VIN:G]
- 1967 Plymouth VIP 6.3L 383ci V8 OHV [VIN:H]
- 1967 Plymouth VIP 7.2L 440ci V8 OHV
- 1967 Plymouth VIP 7.2L 440ci V8 OHV [VIN:K]
- 1967 Plymouth VIP 7.2L 440ci V8 OHV [VIN:L]
- 1967, 1969 Dodge Coronet 7.2L 440ci V8 [VIN:L]
- 1967-1969 Dodge Charger 7.2L 440ci V8 OHV [VIN:K]
- 1967-1969 Dodge Charger 7.2L 440ci V8 OHV [VIN:L]
- 1967-1969 Dodge Coronet 7.2L 440ci V8 OHV [VIN:L]
- 1967-1969 Dodge Dart 6.3L 383ci V8 OHV [VIN:G]
- 1967-1969 Dodge Dart 6.3L 383ci V8 OHV [VIN:H]
- 1967-1969 Plymouth Belvedere 6.3L 383ci V8 OHV [VIN:H]
- 1967-1969 Plymouth GTX 7.2L 440ci V8 OHV [VIN:K]
- 1967-1969 Plymouth GTX 7.2L 440ci V8 OHV [VIN:L]
- 1967-1970, 1974 Dodge Monaco 7.2L 440ci V8
- 1967-1971 Plymouth Barracuda 6.3L 383ci V8 OHV
- 1967-1971, 1973-1974 Chrysler Newport 7.2L 440ci V8
- 1967-1974 Plymouth Fury II 7.2L 440ci V8 OHV
- 1967-1974 Plymouth Fury III 7.2L 440ci V8 OHV
- 1967-1975, 1977-1978 Plymouth Fury 7.2L 440ci V8 OHV
- 1968 Plymouth Fury 7.2L 440ci V8 OHV
- 1968 Plymouth Fury I 7.2L 440ci V8 OHV
- 1968 Plymouth Fury II 7.2L 440ci V8 OHV
- 1968 Plymouth Fury III 7.2L 440ci V8 OHV
- 1968 Plymouth GTX 6.3L 383ci V8 OHV [VIN:G]
- 1968 Plymouth GTX 6.3L 383ci V8 OHV [VIN:H]
- 1968-1969 Plymouth Road Runner 6.3L 383ci V8 OHV [VIN:G]
- 1968-1969 Plymouth Road Runner 6.3L 383ci V8 OHV [VIN:H]
- 1968-1969, 1972-1973 Plymouth Fury I 7.2L 440ci V8
- 1968-1969, 1972-1974 Plymouth Fury II 7.2L 440ci V8
- 1968-1969, 1972-1974 Plymouth Fury III 7.2L 440ci V8
- 1968-1971 Dodge D100 Pickup 6.3L 383ci V8 OHV
- 1968-1971 Dodge D200 Pickup 6.3L 383ci V8 OHV
- 1968-1971 Dodge D300 Pickup 6.3L 383ci V8 OHV
- 1968-1971 Dodge W100 Pickup 6.3L 383ci V8 OHV [VIN:J]
- 1968-1971 Dodge W200 Pickup 6.3L 383ci V8 OHV
- 1968-1971 Dodge W300 Pickup 6.3L 383ci V8 OHV
- 1968-1971 Plymouth Fury I 6.3L 383ci V8 OHV
- 1968-1971, 1973-1974 Chrysler New Yorker 7.2L 440ci V8
- 1968-1974 Plymouth Fury I 7.2L 440ci V8 OHV
- 1969 Dodge Charger 7.2L 440ci V8 [VIN:L]
- 1969 Dodge Coronet 7.2L 440ci V8 OHV [VIN:M]
- 1969 Dodge Coronet 7.2L 440ci V8 [VIN:M]
- 1969 Plymouth GTX 7.2L 440ci V8 OHV [VIN:M]
- 1969 Plymouth Road Runner 7.2L 440ci V8 OHV [VIN:K]
- 1969 Plymouth Road Runner 7.2L 440ci V8 OHV [VIN:L]
- 1969 Plymouth Road Runner 7.2L 440ci V8 OHV [VIN:M]
- 1969-1974 Dodge Charger 7.2L 440ci V8 OHV [VIN:U]
- 1970 Dodge Coronet 7.2L 440ci V8 [VIN:V]
- 1970 Dodge Polara 7.2L 440ci V8 [VIN:U]
- 1970 Dodge W100 Pickup 6.3L 383ci V8 OHV [VIN:8]
- 1970 Plymouth Belvedere 6.3L 383ci V8 OHV [VIN:L]
- 1970 Plymouth Belvedere 6.3L 383ci V8 OHV [VIN:N]
- 1970 Plymouth Superbird 7.2L 440ci V8 OHV [VIN:U]
- 1970, 1972-1974 Dodge Coronet 7.2L 440ci V8 [VIN:U]
- 1970-1971 Dodge Challenger 6.3L 383ci V8 OHV
- 1970-1971 Dodge Challenger 7.2L 440ci V8
- 1970-1971 Plymouth Cuda 6.3L 383ci V8 OHV
- 1970-1971 Plymouth Cuda 7.2L 440ci V8
- 1970-1971 Plymouth GTX 7.2L 440ci V8 OHV [VIN:T]
- 1970-1971 Plymouth GTX 7.2L 440ci V8 OHV [VIN:U]
- 1970-1971 Plymouth GTX 7.2L 440ci V8 OHV [VIN:V]
- 1970-1971 Plymouth Road Runner 6.3L 383ci V8 OHV [VIN:L]
- 1970-1971 Plymouth Road Runner 6.3L 383ci V8 OHV [VIN:N]
- 1970-1972 Dodge Challenger 7.2L 440ci V8 OHV
- 1970-1972 Dodge Charger 7.2L 440ci V8 OHV [VIN:V]
- 1970-1972 Dodge Coronet 7.2L 440ci V8 OHV [VIN:V]
- 1970-1972 Plymouth Cuda 7.2L 440ci V8 OHV
- 1970-1972 Plymouth Road Runner 7.2L 440ci V8 OHV [VIN:V]
- 1970-1973 Dodge Polara 7.2L 440ci V8 OHV [VIN:T]
- 1970-1973 Dodge Polara 7.2L 440ci V8 OHV [VIN:U]
- 1970-1974 Chrysler Imperial 7.2L 440ci V8 OHV [VIN:U]
- 1970-1974 Dodge Charger 7.2L 440ci V8 OHV [VIN:T]
- 1970-1974 Dodge Coronet 7.2L 440ci V8 OHV [VIN:T]
- 1970-1974 Plymouth Road Runner 7.2L 440ci V8 OHV [VIN:T]
- 1970-1974 Plymouth Road Runner 7.2L 440ci V8 OHV [VIN:U]
- 1970-1975 Chrysler Imperial 7.2L 440ci V8 OHV [VIN:T]
- 1970-1976 Dodge Coronet 7.2L 440ci V8 OHV [VIN:U]
- 1971 Plymouth GTX 6.3L 383ci V8 OHV [VIN:L]
- 1971 Plymouth GTX 6.3L 383ci V8 OHV [VIN:N]
- 1971-1972 Plymouth Barracuda 7.2L 440ci V8 OHV
- 1972, 1975 Chrysler New Yorker 6.6L 400ci V8 OHV [VIN:M]
- 1972-1973 Dodge Polara 6.6L 400ci V8 OHV [VIN:M]
- 1972-1974 Dodge B200 Van 6.6L 400ci V8 OHV
- 1972-1974 Dodge B300 Van 6.6L 400ci V8 OHV
- 1972-1974 Dodge Challenger 6.6L 400ci V8 OHV [VIN:M]
- 1972-1974 Dodge D100 Pickup 6.6L 400ci V8 OHV
- 1972-1974 Dodge D200 Pickup 6.6L 400ci V8 OHV
- 1972-1974 Dodge D300 Pickup 6.6L 400ci V8 OHV
- 1972-1974 Dodge W100 Pickup 6.6L 400ci V8 OHV
- 1972-1974 Dodge W200 Pickup 6.6L 400ci V8 OHV
- 1972-1974 Dodge W300 Pickup 6.6L 400ci V8 OHV
- 1972-1974 Plymouth Fury I 6.6L 400ci V8 OHV [VIN:M]
- 1972-1974 Plymouth Fury II 6.6L 400ci V8 OHV [VIN:M]
- 1972-1974 Plymouth Fury III 6.6L 400ci V8 OHV [VIN:M]
- 1972-1974 Plymouth Road Runner 6.6L 400ci V8 OHV [VIN:M]
- 1972-1974 Plymouth Road Runner 6.6L 400ci V8 OHV [VIN:P]
- 1972-1974 Plymouth Satellite 6.6L 400ci V8 OHV [VIN:M]
- 1972-1976 Chrysler Newport 6.6L 400ci V8 OHV [VIN:M]
- 1972-1976 Dodge Charger 6.6L 400ci V8 OHV [VIN:M]
- 1972-1976 Dodge Coronet 6.6L 400ci V8 OHV [VIN:M]
- 1972-1976 Dodge Monaco 6.6L 400ci V8 OHV [VIN:M]
- 1972-1976 Plymouth Fury 6.6L 400ci V8 OHV [VIN:M]
- 1972-1977 Plymouth Gran Fury 6.6L 400ci V8 OHV [VIN:M]
- 1972-1977 Plymouth Gran Fury 7.2L 440ci V8 OHV
- 1973 Plymouth Gran Fury 7.2L 440ci V8
- 1973-1974 Dodge D100 Pickup 7.2L 440ci V8
- 1973-1974 Dodge D200 Pickup 7.2L 440ci V8
- 1973-1974 Dodge D300 Pickup 7.2L 440ci V8
- 1973-1974 Dodge W100 Pickup 7.2L 440ci V8
- 1973-1974 Dodge W200 Pickup 7.2L 440ci V8
- 1973-1974 Dodge W300 Pickup 7.2L 440ci V8
- 1974 Dodge B100 Van 7.2L 440ci V8
- 1974 Dodge B200 Van 7.2L 440ci V8
- 1974 Dodge B300 Van 7.2L 440ci V8
- 1974 Dodge M300 7.2L 440ci V8 OHV [VIN:A]
- 1974 Dodge M300 7.2L 440ci V8 OHV [VIN:D]
- 1974 Dodge MB300 7.2L 440ci V8 OHV [VIN:A]
- 1974 Dodge MB300 7.2L 440ci V8 OHV [VIN:D]
- 1974 Plymouth PB200 Van 7.2L 440ci V8
- 1974 Plymouth PB300 Van 7.2L 440ci V8
- 1974 Plymouth Road Runner 6.6L 400ci V8 OHV [VIN:N]
- 1974 Plymouth Satellite 7.2L 440ci V8
- 1975 Chrysler New Yorker 6.6L 400ci V8 OHV [VIN:N]
- 1975 Dodge Coronet 6.6L 400ci V8
- 1975 Dodge Royal Monaco 6.6L 400ci V8 OHV [VIN:M]
- 1975 Dodge Royal Monaco 6.6L 400ci V8 OHV [VIN:N]
- 1975, 1977-1978 Dodge B300 7.2L 440ci V8 OHV [VIN:D]
- 1975, 1977-1978 Dodge Monaco 6.6L 400ci V8
- 1975, 1977-1978 Plymouth Fury 6.6L 400ci V8
- 1976 Dodge B300 7.2L 440ci V8
- 1976-1978 Dodge B200 6.6L 400ci V8 OHV [VIN:J]
- 1976-1978 Dodge B300 6.6L 400ci V8 OHV [VIN:J]
- 1976-1978 Plymouth PB200 6.6L 400ci V8 OHV [VIN:J]
- 1976-1978 Plymouth PB300 6.6L 400ci V8 OHV [VIN:J]
- 1977-1978 Chrysler Newport 6.6L 400ci V8
- 1977-1978 Dodge Charger 6.6L 400ci V8
- 1977-1978 Dodge Ramcharger 6.6L 400ci V8 OHV [VIN:J]
- 1977-1978 Plymouth Trailduster 6.6L 400ci V8 OHV [VIN:J]
Enginetech full gasket sets are engineered to meet or exceed OEM specifications and backed by over 40 years of engine rebuilding expertise - giving professional rebuilders and serious DIYers confidence that every seal, gasket, and component in the kit will perform correctly from initial startup through long-term operation. Each set is application-specific, designed around the exact engine family it serves, with premium materials selected to handle the thermal cycling, pressure, and chemical exposure demands of that particular application. Select sets feature Multi-Layer Steel (MLS) head gaskets for superior sealing on modern engines where precision surface finish and clamping load are critical - a meaningful upgrade over standard composition gaskets in high-stress applications. Enginetech kits are clearly documented with application-specific notes covering included and excluded components, so you know exactly what you are getting before the engine is on the stand. As with any gasket set installation, always use new head bolts where specified - reusing stretch-to-yield fasteners compromises clamp load and risks head gasket failure regardless of gasket quality.
