Classic Industries Restoration Parts and Accessories - Bottom End

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.

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.

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.

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.

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.

Piston Rings for 1976-81 305ci small block. These standard bore 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.

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...

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.

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.

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 #...

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,...

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,...

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,...

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,...

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,...

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...

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....

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...

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...

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...

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...

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...

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...

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 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...

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....

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....

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....

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....

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.

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.

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.

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 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...

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...

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...

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

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

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

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

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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...

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...