Classic Industries Restoration Parts and Accessories - Bottom End

NOS (new old stock) GM main bearing set for big block engines. GM part number 12329723.

Classic Industries offers a LIMITED selection of original GM NOS (new old stock) pistons for high performance big block engines. This listing is for a 502 Mark V, .030, O.S., 8.75:1. This is an NOS GM piston, part # 12533553....

Precision-machined high performance pistons with original dome design and floating wrist pin for 2nd design 1968 and 1969 stock compression 302 engines (11:1 with 64 cc heads). Cast with 16-18% silicon alloy, and T-6 hardened for performancea pplications, new tooling was specifically made for these pistons featuring an exclusive computer-designed understructure allowing dome machining (0.143") to safely reduce the compression ratio to 10:1 while maintaining balance. Warranted for 2 full years in street cars. Wrist pin and spirolock retainers are included. Individually plastic-sleeved after factory sorting in sets of eight by size and weight to balance and blueprint tolerances (+/- .0004" & 1.5 grams or better). Important: Piston rings not included. Not recommended for extreme performance engines. Note: These hypereutectic pistons will also fit 1967 and 1st design 1968 engines with no m odifications.

Precision-machined high performance pistons with original dome design and floating wrist pin for 2nd design 1968 and 1969 stock compression 302 engines (11:1 with 64 cc heads). Cast with 16-18% silicon alloy, and T-6 hardened for performance applications, new tooling was specifically made for these pistons featuring an exclusive computer-designed understructure allowing dome machining (0.143") to safely reduce the compression ratio to 10:1 while maintaining balance. Warranted fo r 2 full years in street cars. Wrist pin and spirolock retainers are included. Individually plastic-sleeved after factory sorting in sets of eight by size and weight to balance and blueprint tolerances (+/- .0004" & 1.5 grams or better). Important: Piston rings not included. Not recommended for extreme performance engines. Note: These hypereutectic pistons will also fit 1967 and 1st design 1968 engines with no modifications.

Precision-machined high performance pistons with original dome design and floating wrist pin for 2nd design 1968 and 1969 stock compression 302 engines (11:1 with 64 cc heads). Cast with 16-18% silicon alloy, and T-6...

This rear seal adapter for small block Chevrolet engines, is for the 1986 and newer blocks with the one-piece rear seal. It converts the one-piece rear main seal and newer small block Chevrolet blocks to the old style,...

2 Bolt Main Front Bearing Cap: Original GM replacement cap for use on 2 bolt main.

Classic Industries offers a LIMITED selection of original GM NOS (new old stock) pistons for high performance small block engines. This listing is for a 5.7 H.O. ZZ1,2,3 .030, O.S., 9.8:1. This is an NOS GM piston, part #...

Moroso main cap girdle for Ford 289-302 2-bolt main blocks with up to a 3.40 stroke. Manufactured from 1/2" thick steel, this girdle is profiled to fit over engine main caps without the need for spacers. Kit includes ARP...

This factory service replacement crankshaft oil slinger for all Mopar V8 engine applications is mounted between the harmonic balancer and the front of the crankshaft. The oil slinger protects the engine in two ways- by...

Connecting Rod Bolt: Production bolt for all 1968-79 small block V-8 connecting rods with 2.10 rod journals. 3/8-24 x 1-59/64. Note: Cannot be used with small journal (2.0) or 400 cubic inch rods. Use with connecting rod...

Reproduction steel crank pulley for various 1969-72 GM vehicles equipped with a big block engine. Manufactured to factory specifications featuring the correct shallow double groove design for long pater pump. Replaces OE...

Reproduction 170 straight-6 engine harmonic balancer for various 1960-72 Ford and Mercury models including Mustang, Falcon, Ranchero, and Comet. It is designed as a direct replacement for the original damper found on the...

This is a NOS (new old stock) GM # 14011082 Bow Tie connecting rod. This is one rod, sometimes needed if you spin a rod bearing. Get them while you can, stock is limited to quantity on hand.

Classic Industries offers a LIMITED selection of original GM NOS (new old stock) pistons for high performance small block engines. This listing is for a 5.7 H.O. .030, O.S., 9.8:1. This is an NOS GM piston, part # 10104457....

Precision-machined high performance pistons with original dome design and floating wrist pin for 2nd design 1968 and 1969 stock compression 302 engines (11:1 with 64 cc heads). Cast with 16-18% silicon alloy, and T-6 hardened for performancea pplications, new tooling was specifically made for these pistons featuring an exclusive computer-designed understructure allowing dome machining (0.143") to safely reduce the compression ratio to 10:1 while maintaining balance. Warranted for 2 full years in street cars. Wrist pin and spirolock retainers are included. Individually plastic-sleeved after factory sorting in sets of eight by size and weight to balance and blueprint tolerances (+/- .0004" & 1.5 grams or better). Important: Piston rings not included. Not recommended for extreme performance engines. Note: These hypereutectic pistons will also fit 1967 and 1st design 1968 engines with no m odifications.

Planning to use an older-style crankshaft in a small block Chevy engine newer than 1986? You'll need this billet aluminum adapter to convert to the original two-piece rear seal design. Includes installation hardware.

Precision-machined high performance pistons with original dome design and floating wrist pin for 2nd design 1968 and 1969 stock compression 302 engines (11:1 with 64 cc heads). Cast with 16-18% silicon alloy, and T-6 hardened for performancea pplications, new tooling was specifically made for these pistons featuring an exclusive computer-designed understructure allowing dome machining (0.143") to safely reduce the compression ratio to 10:1 while maintaining balance. Warranted for 2 full years in street cars. Wrist pin and spirolock retainers are included. Individually plastic-sleeved after factory sorting in sets of eight by size and weight to balance and blueprint tolerances (+/- .0004" & 1.5 grams or better). Important: Piston rings not included. Not recommended for extreme performance engines. Note: These hypereutectic pistons will also fit 1967 and 1st design 1968 engines with no modifications.

This is a NOS (new old stock) GM # 14011083 Bow Tie connecting rod. This is one rod, sometimes needed if you spin a rod bearing. Get them while you can, stock is limited to quantity on hand.

Reproduction 4-bolt main bearing cap set for 1967-79 Pontiac Firebird/Trans-Am models (and other Pontiac models) with 400ci Pontiac Engine. These cast-steel main bearing caps were original for 400ci engines equipped with Ram...

Rear Main Oil Seal: Correct crankshaft bearing and oil shaft seal for use with small block engines. The seals will fit 302, 307, 327 and 350 engines.

Small Block Bearing Cap Bolt: This original bolt is installed on small block engines. For use with non high performance engines. Measures 7/16-14 x 3-11/32.

Z-28 302 Bearing Cap Bolt: If you own a 1967-1969 Z-28, it is now possible to replace your bearing cap bolts with original GM replacements.

This 1982-2014 GM/GMC Camshaft Bearing is a genuine GM replacement part. The corresponding GM part number is 12453170. This is a bearing, camshaft (position #1 & 4) (*39) (housing flange is blank), for Chevrolet, Chevrolet Trucks, Buick, Oldsmobile Trucks, Cadillac Trucks, Pontiac, Oldsmobile, Cadillac and GMC Trucks automobiles. It fits 443 General Motors vehicles which were sold in the U.S. This steel bearing has the following dimensions: 1.10 inches × 3.20 inches × 3.10 inches, and has a weight of 1.60 ounces. It ships via UPS. Applications: 1991-1996 Buick Roadmaster, 8 Cyl 5.0L, 8 Cyl 5.7L 1990-1992 Cadillac Brougham, 8 Cyl 5.0L, 8 Cyl 5.7L 1999-2000 Cadillac Escalade, 8 Cyl 5.0L, 8 Cyl 5.7L 1993-1996 Cadillac Fleetwood, 8 Cyl 5.7L 1987-2005 Chevrolet Astro, 6 Cyl 4.3L 1985-2005 Chevrolet Blazer, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1986 Chevrolet C10, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-1999 Chevrolet C1500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1986 Chevrolet C20, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-2000 Chevrolet C2500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1986 Chevrolet C30, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-2000 Chevrolet C3500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1982-1987 Chevrolet Camaro, 8 Cyl 5.0L, 8 Cyl 5.7L 1982-1996 Chevrolet Caprice, 6 Cyl 3.8L, 6 Cyl 4.3L, 8 Cyl 4.3L 1984-1996 Chevrolet Corvette, 8 Cyl 5.7L 1982-1987 Chevrolet El Camino, 6 Cyl 3.8L, 8 Cyl 4.4L, 8 Cyl 5.0L 1996-2014 Chevrolet Express, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1995 Chevrolet G10, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1995 Chevrolet G20, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1996 Chevrolet G30, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1994-1996 Chevrolet Impala, 6 Cyl 3.8L, 6 Cyl 4.3L, 8 Cyl 4.3L 1985-1986 Chevrolet K10, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-1999 Chevrolet K1500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1986 Chevrolet K20, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-2000 Chevrolet K2500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1986 Chevrolet K30, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-2000 Chevrolet K3500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1982-1983 Chevrolet Malibu, 6 Cyl 3.8L, 8 Cyl 4.4L, 8 Cyl 5.0L 1982-1988 Chevrolet Monte Carlo, 6 Cyl 3.8L, 8 Cyl 4.4L, 8 Cyl 5.0L 1985-1989 Chevrolet P20, 4 Cyl 3.9L Diesel, 6 Cyl 4.3L 1985-1999 Chevrolet P30, 4 Cyl 3.9L Diesel, 6 Cyl 4.3L 1987 Chevrolet R10, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1987-1988 Chevrolet R20, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1989 Chevrolet R2500, 8 Cyl 5.7L 1987-1988 Chevrolet R30, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1989-1991 Chevrolet R3500, 8 Cyl 5.7L 1991-2004 Chevrolet S10, 6 Cyl 4.3L 1999-2013 Chevrolet Silverado, 6 Cyl 4.3L, 8 Cyl 5.7L 1985-2004 Chevrolet Suburban, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1995-2000 Chevrolet Tahoe, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1987 Chevrolet V10, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1987 Chevrolet V20, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1987-1988 Chevrolet V30, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1989-1991 Chevrolet V3500, 8 Cyl 5.7L 1988-1999 GMC C1500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-2000 GMC C2500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-2000 GMC C3500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1995 GMC G1500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1995 GMC G2500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1996 GMC G3500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-2001 GMC Jimmy, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-1999 GMC K1500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-2000 GMC K2500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1988-2000 GMC K3500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1985-1989 GMC P2500, 6 Cyl 4.3L, 6 Cyl 4.8L, 8 Cyl 5.7L 1985-1990 GMC P3500, 4 Cyl 3.9L Diesel, 6 Cyl 4.3L 1987 GMC R1500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1987-1989 GMC R2500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1987-1991 GMC R3500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1991 GMC S15, 6 Cyl 4.3L 1987-2005 GMC Safari, 6 Cyl 4.3L 1996-2014 GMC Savana, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1999-2013 GMC Sierra, 6 Cyl 4.3L, 8 Cyl 5.7L 1991-2004 GMC Sonoma, 6 Cyl 4.3L 1985-1999 GMC Suburban, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1991 GMC Syclone, 6 Cyl 4.3L 1992-1993 GMC Typhoon, 6 Cyl 4.3L 1987 GMC V1500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1987 GMC V2500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1987-1991 GMC V3500, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1992-2000 GMC Yukon, 6 Cyl 4.3L, 8 Cyl 5.0L, 8 Cyl 5.7L 1996-2001 Oldsmobile Bravada, 6 Cyl 4.3L 1991-1992 Oldsmobile Custom Cruiser, 8 Cyl 5.0L, 8 Cyl 5.7L 1982-1986 Pontiac Bonneville, 6 Cyl 4.3L, 8 Cyl 4.4L, 8 Cyl 5.0L 1982-1997 Pontiac Firebird, 8 Cyl 5.0L, 8 Cyl 5.7L 1982-1987 Pontiac Grand Prix, 6 Cyl 4.3L, 8 Cyl 4.4L, 8 Cyl 5.0L 1983-1986 Pontiac Parisienne, 6 Cyl 4.3L, 8 Cyl 4.4L, 8 Cyl 5.0L

This 1982-2014 GM/GMC Camshaft Bearing is a genuine GM replacement part. The corresponding GM part number is 12453172. This is a bearing, camshaft (position #2), for Chevrolet, Chevrolet Trucks, Buick, Oldsmobile Trucks,...

This 1982-2014 GM/GMC Camshaft Bearing is a genuine GM replacement part. The corresponding GM part number is 12453171. This is a bearing, camshaft (position #2-5) (*41, 43, 44), for Chevrolet, Chevrolet Trucks, Buick,...

This 1984 L6 Connecting Rod is a genuine GM replacement part. The corresponding GM part number is 14050551. It is steel and ships via UPS. Specific vehicle fitment includes: 1984 Chevrolet C/K Pickup Custom, Scottsdale,...

GM original replacement crankshaft woodruff keys. These are designed for a 1/8" groove depth

Piston Rings for 1964-69 327ci OR 1968-79 350ci small block. These standard bore pistons rings are original GM service replacements and require one set per piston.

This set includes 8 high quality GM 5.70" length connecting rods which are used in the LT1 and LT4 Corvette engines for higher strength and reliability. These rods can be used in moderate competition or for street rods. Use...

This 1990-1993 Cam Bearing Center/Rear is a genuine GM replacement part. The corresponding GM part number is 14002525. The steel component fits various four cylinder GM cars and trucks. It ships via UPS. Specific vehicle...

Piston Rings for 1976-81 305ci small block. These .030 oversize pistons rings are original GM service replacements and require one set per piston.

Piston Rings for 1976-81 305ci small block. These standard bore pistons rings are original GM service replacements and require one set per piston.

Crankshaft Balancer Hub Applications: 1993-1995 Chevrolet Camaro - 5.7L V8 1992-1995 Chevrolet Corvette - 5.7L V8 1993-1995 Pontiac Firebird - 5.7L V8

Crankshaft Balancer Hub Applications: 1996-1997 Chevrolet Camaro - 5.7L V8 1996 Chevrolet Corvette - 5.7L V8 1996-1997 Pontiac Firebird - 5.7L V8

1970-1973 LT-1 Connecting Rod: This forged steel connecting rod earned it's reputation for strength and performance in the high performance LT-1 Z-28 Camaro of the early 70's. It has provided dependable service in countless...

For use when converting special high performance and heavy duty 454 pistons to floating pins. (Spirolox). 072 is recommended for competition engines. The piston retainer grooves may have to be widened to fit the spirolox....

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

1986-1987 Turbo Regal - Aftermarket crank sensor This aftermarket crank sensor consists of a sensor and a bolt. We also include hardware, although you may not need it. The sensor attaches to the original bracket. If this...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...

Series 9000 Cast Pro Stock replacement crankshafts are designed to replace stock crankshafts that have seen better days. For stock to mildly-built street engines, this crank is precision ground and micropolished. No more...